Robert Elswit is an American cinematographer. He is best known for Boogie Nights (1997), Magnolia (1999), Good Night, and Good Luck (2005), There Will Be Blood (2007), Mission: Impossible – Ghost Protocol (2011), Inherent Vice (2014), and Nightcrawler (2014).

Elswit frequently works with director Paul Thomas Anderson and has worked with George Clooney several times. He shot Clooney’s black and white, multiple-Oscar nominated film Good Night, and Good Luck. Notably, Elswit shot the film in color, then converted the film into black and white in post production.

He received his first Academy Award nomination for Best Cinematography in 2006 for his work on the movie Good Night, and Good Luck. Two years later, he would again be nominated and this time win the Oscar for Best Cinematography, for his work on There Will Be Blood.