Morgan Murphy (born October 23, 1981) is an American stand-up comedian, writer, and actress.

Bobcat Goldthwait cast her in the films Sleeping Dogs Lie and World's Greatest Dad.

Morgan has made numerous appearances on Jimmy Kimmel Live!, for which she also worked as a writer.

She was one of the original writers on Late Night with Jimmy Fallon, writing and appearing in comedy segments on the show from its debut in 2009 until her departure in March 2011.

She also made a stand-up special for Netflix in 2013 called Irish Goodbye.