Diahnne Eugenia Abbott (* 1. Mai 1945 in New York City) ist eine US-amerikanische Schauspielerin und Jazzsängerin. ()
Diahnne Abbott was born on May 1, 1945 in New York City, New York, USA. She is an actress, known for Taxi Driver (1976), The King of Comedy (1982) and Love Streams (1984). She was previously married to Robert De Niro.