Presences
MEN
| Nr | Swimmer | Nation |
| 16 | Damian Blaum |  Argentina
|
| 15 | Claudio Plit | Argentina
|
| 14 | Evgenij Pop Acev |  Macedonia |
| 12 | Edoardo Stochino |  Italy
|
| 12 | Matheus Evangelista |  Brazil
|
| 11 | Marawan Saleh |  Syria
|
| 11 | Maher Saleh | Syria
|
| 10 | Nasser El Shazly |  Egypt
|
| 10 | Mohamed El Meesery | Egypt  Canada |
| 9 | Giulio Travaglio | Italy
|
| 9 | Abdel Abou Heif | Egypt
|
| 9 | Diki Bojadi | .svg){kind=small} Yugoslavia
|
WOMEN
| Nr | Swimmer | Nation |
| 12 | Pilar Geijo | Argentina
|
| 12 | Vanesa Garcia | Argentina
|
| 11 | Esther Nunez |  Spain |
| 10 | Irene Van Der Laan |  Netherlands
|
| 10 | Gisella Ghebardt |  Hungary |