Cuba at the 2019 World Aquatics Championships
Cuba competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
Artistic swimming
Cuba's artistic swimming team consisted of 4 athletes.;Women
Legend: = Reserve Athlete
Diving
Cuba entered six divers.;Men
;Women
;Mixed
Swimming
Cuba entered three swimmers.;Men
;Women
Water polo
Women's tournament
;Team roster- Mairelis Zunzunegui Morgan
- Dalia Grau Quintero
- Madonni Chavez Pena
- Thaimi Gonzalez Tamayo
- Daniuska Carrasco Leyva
- Mayelin Bernal Villa
- Jennifer Plasencia Suarez
- Arisel Gonzalez Sanchez
- Cecilia Diaz Mesa
- Dianela Fria Tellez
- Lisbeth Santana Sosa
- Aliannis Ramirez White
- Arisney Ramos Betancourt
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;13th–16th place semifinals
;15th place match
;13th–16th place semifinals
;15th place game