Leo Matthew Abrahams (born 28 November 1977) is an English musician, composer and producer. He has collaborated with Brian Eno, Katie Melua, Imogen Heap, Jarvis Cocker, Carl Barât, Regina Spektor, Jon Hopkins and Paul Simon. After attending the Royal Academy of Music in England, he started his musical career by touring as lead guitarist with Imogen Heap.

Since 2005, he has released five solo albums, largely in an ambient style involving complex arrangements and a use of guitar-generated textures. He has also co-written or arranged a variety of film soundtracks, including Peter Jackson's 2009 release The Lovely Bones and Steve McQueen's Hunger. Abrahams has produced Regina Spektor's album Remember Us to Life. Hayden Thorpe's Diviner, Editors' Violence and Ghostpoet's Dark Days + Canapés.