Robert Kirby (16 April 1948 – 3 October 2009) was a British-born arranger of string sections for rock and folk music.
He was best known for his work on the Nick Drake albums, Five Leaves Left and Bryter Layter, but also worked with Vashti Bunyan, Elton John, Ralph McTell, Strawbs, Paul Weller and Elvis Costello.