| No | Country | Name flag bearer | Sport |
| 1 | Afghanistan | Farzad Mansouri Kamia Yousufi | Taekwondo Athletics |
| 2 | Albania | Luiza Gega Briken Calja | Athletics Weightlifting |
| 3 | Algeria | Amel Melih Mohamed Flissi | Swimming Boxing |
| 4 | American Samoa | Tilali Scanlan Tanumafili Malietoa Jungblut | Swimming Weightlifting |
| 5 | Andorra | Mònica Dòria Pol Moya | Canoeing Athletics |
| 6 | Angola | Natália Bernardo Matias Montinho | Handball Sailing |
| 7 | Antigua and Barbuda | Samantha Roberts Cejhae Greene | Swimming Athletics |
| 8 | Argentina | Cecilia Carranza Santiago Lange | Sailing |
| 9 | Armenia | Varsenik Manucharyan Hovhannes Bachkov | Swimming Boxing |
| 10 | Aruba | Allyson Ponson Mikel Schreuders | Swimming |
| 11 | Australia | Cate Campbell Patty Mills | Swimming Basketball |
| 12 | Austria | Tanja Frank Thomas Zajac | Sailing |
| 13 | Azerbaijan | Farida Azizova Rüstəm Orucov | Taekwondo Judo |
| 14 | Bahamas | Joanna Evans Donald Thomas | Swimming Athletics |
| 15 | Bahrain | Noor Yussuf Abdulla Husain Al-Sayyad | Swimming Handball |
| 16 | Bangladesh | Diya Siddique Mohammed Ariful Islam | Archery Swimming |
| 17 | Barbados | Danielle Titus Alex Sobers | Swimming |
| 18 | Belarus | Hanna Marusava Mikita Tsmyh | Archery Swimming |
| 19 | Belgium | Nafissatou Thiam Félix Denayer | Athletics Field hockey |
| 20 | Belize | Samantha Dirks Shaun Gill | Athletics |
| 21 | Benin | Nafissath Radji Privel Hinkati | Swimming Rowing |
| 22 | Bermuda | Dara Alizadeh Osisang Chilton | Rowing Swimming |
| 23 | Bhutan | Karma Karma Sangay Tenzin | Archery Swimming |
| 24 | Bolivia | Karen Torrez Gabriel Castillo | Swimming |
| 25 | Bosnia and Herzegovina | Larisa Cerić Amel Tuka | Judo Athletics |
| 26 | Botswana | Amantle Montsho Rajab Otukile Mahommed | Athletics Boxing |
| 27 | Brazil | Ketleyn Quadros Bruno Rezende | Judo Volleyball |
| 28 | British Virgin Islands | Elinah Phillip Kyron McMaster | Swimming Athletics |
| 29 | Brunei | Muhammad Isa Ahmad Ornella Havyarimana | Swimming Boxing |
| 30 | Bulgaria | Maria Grozdeva Josif Miladinov | Shooting Swimming |
| 31 | Burkina Faso | Angelika Ouedraogo Hugues Fabrice Zango | Swimming Athletics |
| 32 | Burundi | Ornella Havyarimana Belly-Cresus Ganira | Boxing Swimming |
| 33 | Cambodia | Kheun Bunpichmorakat Pen Sokong | Swimming Athletics |
| 34 | Cameroon | Joseph Essombe Albert Mengue Ayissi | Wrestling Boxing |
| 35 | Canada | Miranda Ayim Nathan Hirayama | Basketball Rugby sevens |
| 36 | Cape Verde | Jayla Pina Jordin Andrade | Boxing Athletics |
| 37 | Cayman Islands | Jillian Crooks Brett Fraser | Swimming |
| 38 | Central African Republic | Chloe Sauvourel Francky Mbotto | Swimming Athletics |
| 39 | Chad | Demos Memneloum Bachir Mahamat | Judo Athletics |
| 40 | Chile | Francisca Crovetto Marco Grimalt | Shooting Volleyball |
| 41 | China | Zhu Ting Zhao Shuai | Volleyball Taekwondo |
| 42 | Chinese Taipei | Kuo Hsing-chun Lu Yen-hsun | Weightlifting Tennis |
| 43 | Colombia | Caterine Ibargüen Yuberjen Martínez | Athletics Boxing |
| 44 | Comoros | Fadane Hamadi Ahmed Elna | Athletics |
| 45 | Cook Islands | Kirsten Fisher-Marsters Wesley Roberts | Swimming |
| 46 | Costa Rica | Andrea Vargas Ian Sancho Chinchila | Athletics Judo |
| 47 | Croatia | Sandra Perković Josip Glasnović | Athletics Shooting |
| 48 | Cuba | Yaime Pérez Mijaín López | Athletics Wrestling |
| 49 | Cyprus | Andri Eleftheriou Pavlos Kontides | Shooting Sailing |
| 50 | Czech Republic | Petra Kvitová Tomáš Satoranský | Tennis Basketball |
| 51 | Democratic Republic of the Congo | Marcelat Sakobi Matshu David Tshama Mwenekabwe | Boxing |
| 52 | Denmark | Sara Slott Petersen Jonas Warrer | Athletics Sailing |
| 53 | Djibouti | Aden-Alexandre Houssein Shelly-Ann Fraser-Pryce | Judo Athletics |
| 54 | Dominica | Thea LaFond Dennick Luke | Athletics |
| 55 | Dominican Republic | Prisilla Rivera Rodrigo Marte | Volleyball Boxing |
| 56 | East Timor | Imelda Ximenes Felisberto de Deus | Swimming Athletics |
| 57 | Ecuador | Neisi Dajomes Julio Castillo | Weightlifting Boxing |
| 58 | Egypt | Hedaya Malak Alaaeldin Abouelkassem | Taekwondo Fencing |
| 59 | El Salvador | Celina Márquez Enrique Arathoon | Swimming Sailing |
| 60 | Equatorial Guinea | Alba Mbo Nchama Benjamín Enzema | Athletics |
| 61 | Eritrea | Nazret Weldu Ghirmai Efrem | Athletics Swimming |
| 62 | Estonia | Dina Ellermann Tõnu Endrekson | Equestrian Rowing |
| 63 | Eswatini | Robyn Young Thabiso Dlamini | Swimming Boxing |
| 64 | Ethiopia | Abdelmalik Muktar Nazret Weldu | Swimming Athletics |
| 65 | Federated States of Micronesia | Taeyanna Adams Scott Fiti | Swimming Athletics |
| 66 | Fiji | Rusila Nagasau Jerry Tuwai | Rugby sevens |
| 67 | Finland | Satu Mäkelä-Nummela Ari-Pekka Liukkonen | Shooting Swimming |
| 68 | France | Clarisse Agbegnenou Samir Aït Saïd | Judo Gymnastics |
| 69 | Gabon | Aya Girard de Langlade Mpali Anthony Mylann Obame | Swimming Taekwondo |
| 70 | Georgia | Nino Salukvadze Lasha Talakhadze | Shooting Weightlifting |
| 71 | Germany | Laura Ludwig Patrick Hausding | Volleyball Diving |
| 72 | Ghana | Nadia Eke Sulemanu Tetteh | Athletics Boxing |
| 73 | Great Britain | Hannah Mills Moe Sbihi | Sailing Rowing |
| 74 | Greece | Anna Korakaki Eleftherios Petrounias | Shooting Gymnastics |
| 75 | Grenada | Kimberly Ince Derlon Felix | Swimming |
| 76 | Guam | Regine Tugade Joshter Andrew | Athletics Judo |
| 77 | Guatemala | Mirna Ortiz Juan Ignacio Maegli | Athletics Sailing |
| 78 | Guinea | Games Volunteer Taciana Cesar | N/A Judo |
| 79 | Guinea-Bissau | Taciana Cesar Augusto Midana | Judo Wrestling |
| 80 | Guyana | Chelsea Edghill Andrew Fowler | Table tennis Swimming |
| 81 | Haiti | Sabiana Anestor Darrelle Valsaint | Judo Boxing |
| 82 | Honduras | Keyla Ávila Julio Horrego | Taekwondo Swimming |
| 83 | Hong Kong | Tse Ying Suet Cheung Ka Long | Badminton Fencing |
| 84 | Hungary | Aida Mohamed László Cseh | Fencing Swimming |
| 85 | Iceland | Snæfríður Jórunnardóttir Anton McKee | Swimming |
| 86 | India | Mary Kom Manpreet Singh | Boxing Field hockey |
| 87 | Indonesia | Rio Waida[b] Kirabo Namutebi | Surfing Swimming |
| 88 | Iran | Hanieh Rostamian Samad Nikkhah Bahrami | Shooting Basketball |
| 89 | Iraq | Fatimah Al-Kaabi Mohammed Al-Khafaji | Shooting Rowing |
| 90 | Ireland | Kellie Harrington Brendan Irvine | Boxing |
| 91 | Israel | Hanna Knyazyeva-Minenko Yakov Toumarkin | Athletics Swimming |
| 92 | Italy | Jessica Rossi Elia Viviani | Shooting Cycling |
| 93 | Ivory Coast | Marie-Josée Ta Lou Cheick Sallah Cissé | Athletics Taekwondo |
| 94 | Jamaica | Shelly-Ann Fraser-Pryce Ricardo Brown | Athletics Boxing |
| 95 | Japan | Yui Susaki Rui Hachimura | Wrestling Basketball |
| 96 | Jordan | Julyana Al-Sadeq Zeyad Ishaish | Taekwondo Boxing |
| 97 | Kazakhstan | Olga Rypakova Kamshybek Kunkabayev | Athletics Boxing |
| 98 | Kenya | Mercy Moim Andrew Amonde | Volleyball Rugby sevens |
| 99 | Kiribati | Kinaua Biribo Ruben Katoatau | Judo Weightlifting |
| 100 | Kosovo | Majlinda Kelmendi Akil Gjakova | Judo |
| 101 | Kuwait | Lara Dashti Talal Al-Rashidi | Swimming Shooting |
| 102 | Kyrgyzstan | Kanykei Kubanychbekova Denis Petrashov | Shooting Swimming |
| 103 | Laos | Silina Pha Aphay Santisouk Inthavong | Athletics Swimming |
| 104 | Latvia | Jeļena Ostapenko Agnis Čavars | Tennis Basketball |
| 105 | Lebanon | Ray Bassil Nacif Elias | Shooting Judo |
| 106 | Lesotho | Games Volunteer Ray Bassil | N/A Shooting |
| 107 | Liberia | Ebony Morrison Joseph Fahnbulleh | Athletics |
| 108 | Libya | Al-Hussein Gambour Julia Hassler | Rowing Swimming |
| 109 | Liechtenstein | Julia Hassler Raphael Schwendinger | Swimming Judo |
| 110 | Lithuania | Sandra Jablonskytė Giedrius Titenis | Judo Swimming |
| 111 | Luxembourg | Christine Majerus Raphaël Stacchiotti | Cycling Swimming |
| 112 | Madagascar | Damiella Nomenjanahary Éric Andriantsitohaina | Judo Weightlifting |
| 113 | Malawi | Jessica Makwenda Areneo David | Swimming Archery |
| 114 | Malaysia | Goh Liu Ying Lee Zii Jia[i] | Badminton |
| 115 | Maldives | Fathimath Nabaaha Abdul Razzaq Mubal Azzam Ibrahim | Badminton Swimming |
| 116 | Mali | Seydou Fofana Eleanor Bezzina | Taekwondo Shooting |
| 117 | Malta | Eleanor Bezzina Andrew Chetcuti | Shooting Swimming |
| 118 | Marshall Islands | Colleen Furgeson Phillip Kinono | Swimming |
| 119 | Mauritania | Houlèye Ba Abidine Abidine | Athletics |
| 120 | Mauritius | Roilya Ranaivosoa Richarno Colin | Weightlifting Boxing |
| 121 | Mexico | Gabriela López Rommel Pacheco | Golf Diving |
| 122 | Moldova | Alexandra Mîrca Dan Olaru | Archery |
| 123 | Monaco | Quentin Antognelli Xiaoxin Yang | Rowing Table tennis |
| 124 | Mongolia | Onolbaatar Khulan Duurenbayar Ulziibayar | Basketball Judo |
| 125 | Montenegro | Jovanka Radičević Draško Brguljan | Handball Water polo |
| 126 | Morocco | Oumaïma Belahbib Ramzi Boukhiam | Boxing Surfing |
| 127 | Mozambique | Rady Adosinda Gramane Kevin Loforte | Boxing Judo |
| 128 | Myanmar | Thet Htar Thuzar Ye Tun Naung | Badminton Shooting |
| 129 | Namibia | Maike Diekmann Jonas Jonas | Rowing Boxing |
| 130 | Nauru | Nancy Genzel Abouke Jonah Harris | Weightlifting Athletics |
| 131 | Nepal | Gaurika Singh Alexander Shah | Swimming |
| 132 | Netherlands | Keet Oldenbeuving Churandy Martina | Skateboarding Athletics |
| 133 | New Zealand | Sarah Hirini David Nyika[f] | Rugby sevens Boxing |
| 134 | Nicaragua | Sema Ludrick Edwin Barberena | Weightlifting Shooting |
| 135 | Niger | Roukaya Mahamane Abdoul Razak Issoufou | Swimming Taekwondo |
| 136 | Nigeria | Odunayo Adekuoroye Quadri Aruna | Wrestling Table tennis |
| 137 | North Macedonia | Arbresha Rexhepi Dejan Georgievski | Taekwondo |
| 138 | Norway | Anne Vilde Tuxen Tomoe Zenimoto Hvas | Diving Swimming |
| 139 | Oman | Issa Al-Adawi Keet Oldenbeuving | Swimming Skateboarding |
| 140 | Pakistan | Mahoor Shahzad Muhammad Khalil Akhtar | Badminton Shooting |
| 141 | Palau | Osisang Chilton Adrian Ililau | Swimming Athletics |
| 142 | Palestine | Dania Nour Mohammed Hamada | Swimming Weightlifting |
| 143 | Panama | Atheyna Bylon Alonso Edward | Boxing Athletics |
| 144 | Papua New Guinea | Loa Dika Toua Morea Baru | Weightlifting |
| 145 | Paraguay | Verónica Cepede Fabrizio Zanotti | Tennis Golf |
| 146 | Peru | Daniella Rosas Lucca Mesinas | Surfing |
| 147 | Philippines | Kiyomi Watanabe Eumir Marcial[g] | Judo Boxing |
| 148 | Poland | Maja Włoszczowska Paweł Korzeniowski | Cycling Swimming |
| 149 | Portugal | Telma Monteiro Nelson Évora | Judo Athletics |
| 150 | Puerto Rico | Adriana Díaz Brian Afanador | Table tennis |
| 151 | Qatar | Tala Abujbara Mohammed Al-Rumaihi | Rowing Shooting |
| 152 | Refugee Olympic Team | Yusra Mardini Tachlowini Gabriyesos | Swimming Athletics |
| 153 | Republic of the Congo | Natacha Ngoye Akamabi Marcelat Sakobi Matshu | Athletics Boxing |
| 154 | ROC | Sofya Velikaya Maksim Mikhaylov | Fencing Volleyball |
| 155 | Romania | Simona Radiș[j][k] Robert Glință | Rowing Swimming |
| 156 | Rwanda | Alphonsine Agahozo John Hakizimana | Swimming Athletics |
| 157 | Saint Kitts and Nevis | Amya Clarke Jason Rogers | Athletics |
| 158 | Saint Lucia | Levern Spencer Jean-Luc Zephir | Athletics Swimming |
| 159 | Saint Vincent and the Grenadines | Shafiqua Maloney Levern Spencer | Athletics Athletics |
| 160 | Samoa | Alex Rose D'Jamila Tavares | Athletics Athletics |
| 161 | San Marino | Arianna Valloni Myles Amine | Swimming Wrestling |
| 162 | São Tomé and Príncipe | D'Jamila Tavares Buly Da Conceição Triste | Athletics Canoeing |
| 163 | Saudi Arabia | Tahani Alqahtani Husein Alireza | Judo Rowing |
| 164 | Senegal | Jeanne Boutbien Mbagnick Ndiaye | Swimming Judo |
| 165 | Serbia | Sonja Vasić Filip Filipović | Basketball Water polo |
| 166 | Seychelles | Felicity Passon Rodney Govinden | Swimming Sailing |
| 167 | Sierra Leone | Maggie Barrie Frederick Harris | Athletics Judo |
| 168 | Singapore | Yu Mengyu Loh Kean Yew | Table tennis Badminton |
| 169 | Slovakia | Zuzana Rehák-Štefečeková Matej Beňuš | Shooting Canoeing |
| 170 | Slovenia | Eva Terčelj Bojan Tokić | Canoeing Table tennis |
| 171 | Solomon Islands | Sharon Firisua Edgar Iro | Athletics Swimming |
| 172 | Somalia | Ramla Ali Ali Idow Hassan | Boxing Athletics |
| 173 | South Africa | Phumelela Mbande Chad le Clos | Field hockey Swimming |
| 174 | South Korea | Kim Yeon-koung Hwang Sun-woo | Volleyball Swimming |
| 175 | South Sudan | Lucia Moris Abraham Guem | Athletics |
| 176 | Spain | Mireia Belmonte Saúl Craviotto | Swimming Canoeing |
| 177 | Sri Lanka | Milka Gehani de Silva Chamara Dharmawardana | Gymnastics Judo |
| 178 | Sudan | Esraa Khogali Abobakr Abass | Rowing Swimming |
| 179 | Suriname | Renzo Tjon-A-Joe Milka Gehani de Silva | Swimming Gymnastics |
| 180 | Sweden | Sara Algotsson Ostholt Max Salminen | Equestrian Sailing |
| 181 | Switzerland | Mujinga Kambundji Max Heinzer | Athletics Fencing |
| 182 | Syria | Hend Zaza Ahmad Hamcho | Table tennis Equestrian |
| 183 | Tajikistan | Temur Rakhimov Games Volunteer | Judo N/A |
| 184 | Tanzania | Games Volunteer Petra Kvitová | N/A Tennis |
| 185 | Thailand | Naphaswan Yangpaiboon Savate Sresthaporn | Shooting |
| 186 | The Gambia | Gina Bass Ebrima Camara | Athletics |
| 187 | Togo | Claire Ayivon Dodji Fanny | Rowing Table tennis |
| 188 | Tonga | Malia Paseka Pita Taufatofua | Taekwondo |
| 189 | Trinidad and Tobago | Kelly-Ann Baptiste Gulbadam Babamuratova | Athletics Judo |
| 190 | Tunisia | Inès Boubakri Mehdi Ben Cheikh | Fencing Volleyball |
| 191 | Turkey | Merve Tuncel Berke Saka | Swimming |
| 192 | Turkmenistan | Gulbadam Babamuratova Merdan Ataýew | Judo Swimming |
| 193 | Tuvalu | Matie Stanley Karalo Maibuca | Athletics |
| 194 | Uganda | Kirabo Namutebi Shadiri Bwogi | Swimming Boxing |
| 195 | Ukraine | Olena Kostevych Bohdan Nikishyn | Shooting Fencing |
| 196 | United Arab Emirates | Yousuf Al-Matrooshi Amel Melih | Swimming Swimming |
| 197 | United States | Sue Bird Eddy Alvarez | Basketball Baseball |
| 198 | Uruguay | Déborah Rodríguez Bruno Cetraro | Athletics Rowing |
| 199 | Uzbekistan | Oksana Chusovitina Bobo-Usmon Baturov | Gymnastics Boxing |
| 200 | Vanuatu | Rio Rii Joanna Evans | Rowing Swimming |
| 201 | Venezuela | Karen León[h] Antonio Díaz | Athletics Karate |
| 202 | Vietnam | Quách Thị Lan Nguyễn Huy Hoàng | Athletics Swimming |
| 203 | Virgin Islands | Natalia Kuipers Adriel Sanes | Swimming |
| 204 | Yemen | Yasameen Al Raimi Ahmed Ayash | Shooting Judo |
| 205 | Zambia | Tilka Paljk Everisto Mulenga | Swimming Boxing |
| 206 | Zimbabwe | Donata Katai Peter Purcell-Gilpin | Swimming Rowing |