Damien Sayre Chazelle (/ʃəˈzɛl/; born January 19, 1985) is a French-American filmmaker. He directed the psychological drama Whiplash (2014), the musical romance La La Land (2016), the biographical drama First Man (2018), and the period black comedy Babylon (2022).

For Whiplash, he was nominated for the Academy Award for Best Adapted Screenplay. His biggest commercial success came with La La Land, nominated for 14 Academy Awards, winning six, including Best Director, making him the youngest person to win the award at age 32. He has also directed two episodes of the Netflix limited series The Eddy (2020).