Luka Mikrut (born 16 April 2004) is a Croatian tennis player.

He has a career high ATP singles ranking of world No.

[1] Mikrut made his ATP main draw doubles debut at the 2023 Croatia Open Umag after receiving a wildcard into the doubles main draw with Zvonimir Babić.

For his singles debut, he received a wildcard for the main draw of the 2024 Croatia Open Umag where he lost to Camilo Ugo Carabelli.

This biographical article relating to Croatian tennis is a stub.