Kostner is a German and Dutch surname and also a germanised version of the Ladin surname Costa.
Kostner:
Kostner (CTA), a station on the Chicago Transit Authority 's 'L' system
Kostner (CTA Congress Line), an abandoned rapid transit station in the West Garfield Park neighborhood of Chicago, Illinois
Carolina Kostner (born 1987), an Italian figure skater
Isolde Kostner (born 1975), an Italian Alpine skier
Kevin Costner (Kostner)
Michael Kostner (born 1969), a German football coach and a player
Norbert Kostner (born 1945), an Italian chef, Grand Chamberlain of His Majesty the King of Thailand
Walter Kostner (born 1947), an Italian artist
Costner:
Brandon Costner (born 1987), basketball player
Chris Costner Sizemore (born 1927), multiple personality disorder sufferer
George Costner (1923—2002), boxer
Kevin Costner (born 1955), actor and director
Michael Costner, fictional character
