| Merilin Aasa | MTÜ Orca Swim Club | Swimming | Harjumaa |
| Priit Aavik | MTÜ Kalevi Ujumiskool | Swimming | Harjumaa |
| Aleksandr Abel | Kohtla-Järve Veespordiklubi | Swimming | Ida-Virumaa |
| Valentina Abel | Kohtla-Järve Veespordiklubi | Swimming | Ida-Virumaa |
| Ljudmila Aboljanina | Spordiklubi Dilan | Swimming | Ida-Virumaa |
| Marin Aleksejeva | Nõmme Spordiklubi | Swimming | Harjumaa |
| Annika Aljand | MTÜ Orca Swim Club | Swimming | Harjumaa |
| Kaja Aljand | Audentese Spordiklubi | Swimming | Harjumaa |
| Martti Aljand | MTÜ Kalevi Ujumiskool | Swimming | Harjumaa |
| Martti Aljand | Eesti Ujumisliit | Swimming | Harjumaa |
| Triin Aljand Mankoč | MTÜ Orca Swim Club | Swimming | Harjumaa |
| Krista Aller-Lönnqvist | MTÜ Tabasalu Ujumisklubi | Swimming | Harjumaa |
| Helje Annus | Viimsi Talisuplusklubi JääRing | Swimming | Harjumaa |
| Pavel Anufrijev | Audentese Spordiklubi | Swimming | Harjumaa |
| Andrei Arno | Spordiklubi Aquaway | Swimming | Harjumaa |
| Andrei Arno | Maardu Ujumisklubi | Swimming | Harjumaa |
| Õnne Aro | Kose Spordikool | Swimming | Harjumaa |
| Katrin Arru | Tallinna Huvikeskus "Kullo" | Swimming | Harjumaa |
| Katrin Arru | Nõmme Spordiklubi | Swimming | Harjumaa |
| Maire Aru | Ujumise Spordiklubi MTÜ | Swimming | Tartumaa |
| Jevgeni Barmotin | Sillamäe Ujumisklubi Kalev | Swimming | Ida-Virumaa |
| Diljara Beljakina | MTÜ Argo Ujumisklubi | Swimming | Harjumaa |
| Maur Below | MTÜ Orca Swim Club | Swimming | Harjumaa |
| Margarita Bežko | Kohtla-Järve Spordiselts Kalev | Swimming | Ida-Virumaa |
| Tatjana Borodina | Spordiklubi Aquaway | Swimming | Harjumaa |
