29 Participating Countries
Olympic Equestrian Games 1956 Stockholm opening ceremony
| 1 | Australia | 11 | Ireland | 21 | Turkey |
| 2 | Belgium | 12 | Italy | 22 | Germany |
| 3 | Brazil | 13 | Japan | 23 | Hungary |
| 4 | Bulgaria | 14 | Cambodia | 24 | USA |
| 5 | Canada | 15 | Norway | 25 | USSR |
| 6 | Denmark | 16 | Portugal | 26 | Venezuela |
| 7 | Egypt | 17 | Rumania | 27 | Austria |
| 8 | Finland | 18 | Switzerland | 28 | Sweden |
| 9 | France | 19 | Spain | 29 | Argentina |
| 10 | Holland | 20 | Great Britain |