Kolja or Colja is a short form of the given name Nikolai. It may refer to:

• Kolja (film), Czech 1996 drama film
• Kolja Afriyie (born 1982), German former professional football player
• Kolja Blacher (born 1963), German violin player
• Kolja Pusch (born 1993), German footballer
• Kolja Schallenberg (born 1984), German director and play writer
• Alojz Colja (born 1943), Slovenian rower
• Nikola Pejaković, Serbian actor, theater director and musician, nicknamed Kolja.

• Kolya (disambiguation)

This disambiguation page lists articles associated with the title Kolja.
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