Ukraine competed at the 2013 World Aquatics Championships in Barcelona, Spain between 19 July and 4 August 2013.
Medalists
Diving
Ukraine qualified 12 quota places for the following diving events.
Men
Women
High diving
Ukraine has qualified two athletes in high diving.
Open water swimming
Ukraine qualified three quota places for the following events in open water swimming.
Swimming
Ukrainian swimmers earned qualifying standards in the following events (up to a maximum of 2 swimmers in each event at the A-standard entry time, and 1 at the B-standard):
Men
Women
Synchronized swimming
Ukraine has qualified twelve synchronized swimmers.