| Athlete |
Nation(s) |
Sport(s) |
Role(s) |
Era |
Notes |
| Aleksey Barkalov |
URS
UKR |
WPO |
Olympics |
1968—1980 |
Water Polo, Men: München 1972, followed by Moskva 1980 |
| Ottó Boros |
HUN |
WPO |
Olympics |
1956—1964 |
Water Polo, Men: Melbourne 1956, followed by Tokyo 1964 |
| Dezső Gyarmati |
HUN |
WPO |
Olympics / Coach |
1948—1980 |
Water Polo, Men: Back-to-back titles at Helsinki 1952/Melbourne 1956, followed by Tokyo 1964 |
| Aleksandr Kabanov |
RUS
URS |
WPO |
Olympics / Coach |
1972—2012 |
Water Polo, Men: München 1972, followed by Moskva 1980 |
| Tivadar Kanizsa |
HUN |
SWM/WPO |
Olympics / Non-starter |
1956—1964 |
Water Polo, Men: Melbourne 1956, followed by Tokyo 1964 |
| György Kárpáti |
HUN |
SWM/WPO |
Olympics / Non-starter |
1952—1964 |
Water Polo, Men: Back-to-back titles at Helsinki 1952/Melbourne 1956, followed by Tokyo 1964 |
| Mihály Mayer |
HUN |
WPO |
Olympics |
1956—1968 |
Water Polo, Men: Melbourne 1956, followed by Tokyo 1964 |
| Vyacheslav Sobchenko |
RUS
URS |
WPO |
Olympics |
1972—1980 |
Water Polo, Men: München 1972, followed by Moskva 1980 |