Peter Lesage (Ardooie, 1974) is a Belgian musician, singer and producer.

Lesage studied jazz piano at the Royal Conservatory of Ghent. He has been active for years as a pianist with artists such as Flip Kowlier, Selah Sue, Zap Mama and Gabriel Rios.... Lesage is also part of the band Ertebrekers, together with Flip Kowlier and Jeffrey Jefferson. 

He is also active as a producer and, besides his solo albums, produced Baloji's debut album, Hotel Impala, among others. Lesage was the frontman and inspirer of the band Moiano and is currently working on a new solo project under his own name, Lesage!