Blake Sennett is an American musician and actor who served as the lead guitarist for indie rock band Rilo Kiley, as well as the lead singer/lead guitarist for his alt-rock side project the Elected. Until 2017 he led Night Terrors of 1927 with Jarrod Gorbel. In addition to being a musician, Sennett was a teen actor, appearing on the television shows Salute Your Shorts and Boy Meets World. As an actor, Sennett originally went by the names Blake Soper and Blake Swendson.

Rilo Kiley was an American indie rock band based in Los Angeles, California. Formed in 1998, the band consisted of Jenny Lewis, Blake Sennett, Pierre de Reeder, and Dave Rock.