Lisa Margaret Hannigan (born 12 February 1981) is an Irish singer, songwriter, and musician. For several years she was a member of Damien Rice’s band before beginning her solo career in 2008. To date she has released two albums: Sea Sew (2008) and Passenger (2011).

Hannigan has been the recipient of various award nominations and critical praise both in Ireland and the USA. She has performed and been associated with Cathy Davey, Mic Christopher,Mick Flannery, David Kitt and members of Snow Patrol, The Frames and Bell X1. She has performed at the Glastonbury Festival both as a solo artist and with Damien Rice.