Jillian is both a feminine given name and a surname. A spelling variant of Gillian, it originates as a feminine form of the given name Julian.
Notable people with the name include:
Given name:
Jillian Armenante (born 1968), American television and film actress
Jillian Becker (born 1932), South African novelist
Jillian Beyor (born 1985), American model
Jillian Camarena (born 1982), American shot putter
Jillian D'Alessio (born 1985), Canadian kayaker
Jillian Evans (born 1959), Welsh politician
Jillian Grace (born 1985), American model
Jillian Hall (born 1980), American professional wrestler and former WWE Diva
Jillian Hunter, American author
Jillian Kesner-Graver (1950-2007), American actress and historian
Jillian Kraus (born 1986), American water polo player
Jillian McDonald, Canadian artist
Jillian Medoff (born 1963), American writer
Jillian Michaels (actress), Canadian voice actress
Jillian Michaels (personal trainer) (born 1974), American exercise instructor
Jillian Murray (born 1989), American actress and model
Jillian Parry Fry, Miss Teen USA 2000
Jillian Reynolds (born 1966), Canadian actress
Jillian Richardson (born 1965), Canadian athlete
Jillian Skinner (born 1944), Australian politician
Jillian Smith (born 1958), New Zealand field hockey player
Jillian Speer (born 1979), American acoustic guitarist
Jillian Wheeler (born 1991), American singer-songwriter and actress
Jillian Whiting, Australian journalist
Surname:
Ann Jillian (born 1950), American actress