Kastelic is a Slovenian surname. Notable people with the surname include:
Andrej Kastelic (born 1971), Slovenian handball player Ed Kastelic (born 1964), Canadian ice hockey player Janko Kastelic (born 1969), Canadian-Slovenian conductor Mark Kastelic (born 1999), American ice hockey player Mark Kastelic (racing driver) (born 2007), Slovenian racing driver
See also