Romania at the 2025 World Aquatics Championships

The following is the list of competitors in the Championships. ==Diving==

Two athletes were named to the World Championships roster. ;Men ==Swimming==

Romania entered 2 swimmers. ;Men ==Water polo==

;Summary Men's tournament Romania's men's water polo team qualified by finishing in the top two at the 2025 FINA Men's Water Polo World Cup in Bucharest, Romania. ;Team roster ;Group play ;Playoff ;9th–12th place semifinals ;9th place match ==References==