Thryssocypris wongrati is a species of freshwater ray-finned fishes belonging to the family Danionidae, the danios or danionins. It inhabits the Chao Phraya River and irrigation canals in its basin in Thailand. Described by Grudpan & Grudpan in 2012, it has not been evaluated on the IUCN Red List as of July 2021. It has a maximum length among unsexed males of , and has 9-10 dorsal soft rays, 14-16 anal soft rays and 39-41 vertebrae. It is considered harmless to humans.
The fish is named in honor of Prachit Wongrat, of the Kasetsart University in Bangkok, Thailand, he was the authorsâ first teacher in ichthyology.