Lulu Gainsbourg (born January 5, 1986, France) is the youngest child of French singer Serge Gainsbourg. The actress and singer-songwriter Charlotte Gainsbourg is his older sister. He is a singer, musician, and actor.

Lulu also took on the roles of producer and arranger for his debut album From Gainsbourg to Lulu, which was released in 2011 when he was 25. A tribute to Lulu's father, the album is a set of reinterpretations of songs from the Serge Gainsbourg catalog and is embellished with collaborations with artists such as Scarlett Johansson, Johnny Depp and Vanessa Paradis, Iggy Pop, and Mélanie Thierry.