Kamasi Washington (born February 18, 1981) is an American jazz saxophonist, composer, production editor and band leader.

Washington is mainly known for his tenor playing, following in the traditions of John Coltrane and Albert Ayler.

Washington was born in Los Angeles, CA, United States, to musical parents and educators, and was raised in Inglewood, California.

He is a graduate of the Academy of Music of Alexander Hamilton High School (Los Angeles) in the Beverlywood neighborhood.

Washington next enrolled in UCLA's Department of Ethnomusicology.

There, he began playing with numerous faculty members such as Kenny Burrell, Billy Higgins and band leader and trumpeter Gerald Wilson and released the Young Jazz Giants album in 2004.

He has since played along with a musically diverse group of musicians including Wayne Shorter, Herbie Hancock, Horace Tapscott, Gerald Wilson, Lauryn Hill, Nas, Snoop Dogg, George Duke, Chaka Khan, Flying Lotus, Francisco Aguabella, the Pan Afrikaan Peoples Orchestra and Raphael Saadiq.

Washington played saxophone on Kendrick on Kendrick Lamar's To Pimp a Butterfly and released a solo album, The Epic in 2015.

He is a winner of the 1999 John Coltrane Music Competition.

Washington has played and arranged for the following music festivals: Central Avenue Jazz Festival Fifth Annual Leimert Park African Art and Music Festival, Sept. 1, 2013, Leimert Park, Los Angeles Third Annual Leimert Park African Art and Music Festival, 2011, Leimert Park, Los Angeles KKJZ First Annual Summer Benefit Concert, June 20, 2013, Walt Disney Concert Hall, with drummer Harvey Mason's Chameleon group.