Lifesaving – Campionato Italiano Estivo di Categoria (Open)
Roma (ITA) – 21-25 July 2021
Diving – Campionati Italiani di Categoria Estivi
Roma (ITA) – 16-18 July 2021
Diving – Campionato Nazionale Esordienti C1 e C2
Bergamo (ITA) – 10-11 July 2021
LEN European Junior Swimming Championships 2021
Rome (ITA), 6/11 July 2021
LEN Men’s European U15 Water Polo Championships 2021
Loule (POR), 4/11 July 2021
LEN Women’s European U15 Water Polo Championships 2021
Szentes (HUN), 27 June /4 July 2021
Diving – FINA Diving Grand Prix
Bolzano (ITA) – 02-04 July 2021
LEN European Junior Artistic Swimming Championships
Ta-qroqq Sport Complex (Malta) – 30 June/ 4 July 2021