Jack Lawless (born September 20, 1987) is an American musician.

[1] He grew up in Middletown Township, New Jersey, part of Monmouth County.

[2] In 2008, Lawless played the drums on Demi Lovato's debut album Don't Forget.

[2] He is the drummer for the band DNCE (with Joe Jonas as lead singer) which debuted in 2015.

[3][4][5] The Jonas Brothers' backing band included Ryan Liestman on keyboards, John Taylor on guitar, Greg Garbowsky on bass and himself on drums.