Mary Ellen Kay (gebore 29 Augustus 1929) is 'n Amerikaanse aktrise. Sy is bekend vir haar rolle in die rolprente Streets of Ghost Town (1950), The Well (1951), en Vice Squad (1953), en in die televisiereeks The George Burns and Gracie Allen Show (1950).
- 1950: Streets of Ghost Town
- 1951: The Well
- 1951: Desert of Lost Men
- 1951: Fort Dodge Stampede
- 1951: Government Agents vs Phantom Legion
- 1951: Rodeo King and the Senorita
- 1951: Silver City Bonanza
- 1951: Thunder in God's Country
- 1951: Wells Fargo Gunmaster
- 1952: Border Saddlemates
- 1952: Colorado Sundown
- 1952: The Last Musketeer
- 1953: Vice Squad
- 1953: Vigilante Terror
- 1954: Yukon Vengeance
- 1956: Runaway Daughters
- 1961: Buffalo Gun
- 1950: The George Burns and Gracie Allen Show
- 1952: This Is the Life
