Siobhan Fallon (born May 13, 1961 in Syracuse, New York) is an American actress. She appeared on Saturday Night Live from 1991 to 1992, and also appeared on Seinfeld as Elaine Benes' unwanted, feckless, showbiz wanna-be room-mate ("think of Ethel Merman without the talent").
Thereafter, she began to appear in films.
Since 2002, she has been credited as Siobhan Fallon Hogan.