The 2019 FINA Water Polo Challenger's Cup (previously known as the FINA World Water Polo Development Trophy until the 2017 edition) is an international water polo tournament hosted by the Singapore Swimming Association, held at the OCBC Aquatic Centre in Singapore from 8 to 13 October 2019. It is the seventh edition of the tournament which consists of ten participating nations, with 5 of those nations making a debut at the tournament.

The tournament consists of 2 groups, to be played out in a round robin fashion, which will conclude with the the nations playing-off for the respective positions.  

Group A	Group B
Ireland	Austria
Malaysia*	India
Philippines	Chinese Taipei*
Singapore	Hong Kong*
Zimbabwe*	Indonesia*