Ellena is a surname. Notable people with the surname include:
- Jack Ellena, (1931–2012), American football player
- Eric Elléna (fl. 2000s–2010s), French filmmaker
- Greg Ellena (fl. 1980s), baseball player
- Jean-Claude Ellena (born 1947), French perfumer
- Richard Ellena (born 1951), Anglican Bishop of the Diocese of Nelson