Karlo Bartolec (; born 20 April 1995) is a Croatian footballer who plays as a defender for Astana.
On 15 March 2014, Bartolec made his professional debut against Rijeka in which he came as a 27th-minute substitute.
Bartolec was signed by Copenhagen on July 1, 2019 for 2.7M â¬.
On 23 January 2023, Bartolec signed a year-and-a-half-long contract with Puskás Akadémia in Hungary.
He made his debut for Croatia national football team on 15 October 2018 in a friendly against Jordan, as a starter. His final international was a November 2019 friendly against Georgia.