| Birth Name: | Ernest Hubbard Smuts Severn |
| Birth Date: | 3 May 1933 |
| Birth Place: | Johannesburg, South Africa |
| Death Place: | Thousand Oaks, California, U.S. |
Ernest Severn (3 May 193327 November 1987) was an American child screen actor.
He was born Ernest Hubbard Smuts Severn, son of Dr. Clifford Brill Severn (1890-1981) and his South African wife Rachel Malherbe (1897-1984). His parents emigrated from South Africa to Los Angeles after he was born. He had seven siblings who were all child actors: Venetia Severn, Clifford Severn, Yvonne Severn, Raymond Severn, Christopher Severn, William Severn and Winston Severn.
Ernest Severn and his brothers Raymond and Christopher all acted in the 1943 film The Man from Down Under.