Seth Morris (born May 21, 1970) is an American actor, comedian, and writer known for his recurring roles on programs such as Go On, Happy Endings, The Hotwives of Orlando, The League, Kroll Show, and Childrens Hospital.

Morris started a career in comedy after moving to New York City, performing at the Upright Citizens Brigade Theatre (UCB) as an improviser and sketch comedian. He later moved to Los Angeles and became the first Artistic Director of the theater's Los Angeles division for many years and was a member of the four-man sketch group "The Naked Babies" with comedians Rob Corddry, Brian Huskey, and John Ross Bowie. After stepping down from that position, he started out as the first staff writer hired by Funny or Die.