Lithuania at the 2017 World Aquatics Championships
Lithuania competed at the 2017 World Aquatics Championships in Budapest, Hungary from 14 July to 30 July.
Competitors
The following is the list of number of competitors participating at the Championships per discipline.| Sport | Men | Women | Total |
| Diving | 0 | 2 | 2 |
| Swimming | 7 | 2 | 9 |
| Total | 7 | 4 | 11 |
Diving
Lithuania has entered 2 female divers.;Women
Swimming
Lithuanian swimmers have achieved qualifying standards in the following events : Nine of them have been selected to compete at the World Championships, including freestyle sprinter and Rio 2016 top eight finalist Simonas Bilis and breaststroker and current world record holder Rūta Meilutytė.;Men
;Women