Koelbl or Kölbl is a German surname. Notable people with the surname include:
Koelbl Herlinde Koelbl (born 1939), German photographic artist, author and documentary filmer Pauline Koelbl, Rwandan-born American-Swiss impact investor, entrepreneur, and innovation catalyst Susanne Koelbl (born 1965), German journalist, lecturer and foreign correspondent, daughter of Herlinde
Kölbl Daniel Kölbl (born 1993), German politician Michael Kölbl (born 1986), Austrian footballer
See also Bobby Koelble (born 1968), American guitarist Ralf Kölbel (born 1968), German social scientist and academic Špela Kolbl (born 1998), Slovenian footballer
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