Angelo Daniel Badalamenti (March 22, 1937 – December 11, 2022) was an American composer and arranger best known for his film music, notably the scores for his acclaimed collaborations with director David Lynch, Blue Velvet (1986), the Twin Peaks television series, The Straight Story (1999), and Mulholland Drive (2001).

Badalamenti also composed scores for such films as National Lampoon's Christmas Vacation (1989), The City of Lost Children (1995), Holy Smoke! (1999), and A Very Long Engagement (2004), and recorded songs with artists including Julee Cruise (in collaboration with Lynch), Nina Simone, Shirley Bassey, Pet Shop Boys, Dusty Springfield, Marianne Faithfull, David Bowie, Tim Booth, Siouxsie Sioux and Dolores O'Riordan.

In 1990, Badalamenti won the Grammy Award for Best Pop Instrumental Performance for his "Twin Peaks Theme" at the 32nd Annual Grammy Awards. He received a lifetime achievement award from the World Soundtrack Awards's Academy in 2008 and the Henry Mancini Award from the American Society of Composers, Authors and Publishers in 2011.