Mehdy Metella (born 17 July 1992) is a French freestyle and butterfly swimmer.

[1] He was part of the freestyle and medley 4 × 100 m teams that won a gold and a silver medal at the 2014 European Aquatics Championships and gold and bronze at the 2015 World Championship.

He also won multiple medals in the World and European Short Course swimming events.

In the French swimming championships in Rennes he broke his own national record in the 100 m butterfly with a time of 50s85’’.

He is the younger brother of Malia Metella, an Olympic and World championship medallist.