Benjamin Charles Harper (born October 28, 1969) is an American singer-songwriter and multi-instrumentalist. Harper plays an eclectic mix of blues, folk, soul, reggae, and rock music, and he is known for his guitar-playing skills, vocals, live performances, and activism. He has released twelve studio albums, mostly through Virgin Records, and has toured internationally.

Harper is a three-time Grammy Award winner and seven-time nominee, with awards for Best Pop Instrumental Performance and Best Traditional Soul Gospel Album in 2004 and Best Blues Album in 2013.

At the 40th Blues Music Awards ceremony, Harper's joint composition with Charlie Musselwhite, "No Mercy in This Land", was named Song of the Year.