Lisa Margaret Hannigan (born 12 February 1981) is an Irish singer, songwriter, and multi-instrumentalist.
Her music has led to much success, critical praise, airplay and award nominations in her native Ireland and, more recently, in the United States. Hannigan is best known for having accompanied the highly successful singer-songwriter Damien Rice. Since leaving him, she has begun her own career, with her 2008 debut album Sea Sew spawning the hit single "Lille", a Choice Music Prize nomination, two Meteor Music Awards nominations and a Mercury Prize nomination. There has also been praise from fellow musicians and, in recent times, Jools Holland of the United Kingdom and US television hosts Jay Leno and Stephen Colbert.