Sebastian may refer to:

People and fictional characters

* Sebastian (name), including a list of persons and fictional characters with the name * Saint Sebastian, a Christian saint martyred in the 3rd century * Sebastian of Portugal (1554–1578), the sixteenth king of Portugal and the Algarve * Infante Sebastian of Portugal and Spain (1811–1875), Infante of Portugal (1811) and Infante of Spain (1824) * Sebastián (sculptor) (born 1947), artist based in Mexico * Sebastian (French musician), stage name of French musician, composer, producer, mixer, engineer, vocalist and DJ Sébastien Akchoté-Bozović (born 1981) * Sebastian (singer), stage name of Danish musician Knud Torben Christensen (born 1949) * Sebastian (rapper), stage name of American rapper Garland Mosley Jr., brother of Timbaland * Sin With Sebastian (also known as Sebastian), German musician Sebastian Roth (born 1971) * Mr. Sebastian, professional name of body pierce artist Alan Oversby (1933–1996) * Sebastian Erl or Buddy (German singer), Buddy, a German Eurodance singer * Sebastian (Twelfth Night), one of the main characters from William Shakespeare's play ''Twelfth Night''

Arts and entertainment

Film and television

* Sebastian (1968 film), ''Sebastian'' (1968 film), a British spy film * ''Sebastiane'', a 1976 British film in Latin about the saint * Sebastian (1995 film), ''Sebastian'' (1995 film), a Swedish drama film * Sebastian (2017 film), ''Sebastian'' (2017 film), a Canadian romantic drama * Sebastian (2023 film), an American crime-horror film * Sebastian (2024 film), ''Sebastian'' (2024 film), a British-Finnish film

Literature

* Sebastian (Bishop novel), ''Sebastian'' (Bishop novel), the first novel of the ''Landscapes of Ephemera'' duology written by Anne Bishop * Sebastian (Durrell novel), ''Sebastian'' (Durrell novel), the fourth volume in ''The Avignon Quintet'' series by Lawrence Durrell * "Sebastian, or, Virtue Rewarded", the name of an unpublished poem written around 1815 by the 9-year-old Elizabeth Barrett, later famous as Elizabeth Barrett Browning

Music

* Sebastian (album), ''Sebastian'' (album), 2006 debut album by Swedish pop/rock singer Sebastian Karlsson * Sebastian (song), "Sebastian" (song), 1973 song by Cockney Rebel, from ''The Human Menagerie'' album

Places

Australia

* Sebastian, Victoria, a town

United States

* Sebastian, Florida, a city * Sebastian, Ohio, an unincorporated community * Sebastian, Texas, a census-designated place * Sebastian County, Arkansas