Jorge Jack Antoni Sikora (born 29 March 2002) is an English professional footballer who plays as a defender for Marske United.

After playing for their youth team, joining at under-13 level,[3] he made his senior debut for Bradford City on 24 September 2019, in the EFL Trophy.

United of Manchester in December 2019,[6] before being recalled by Bradford City in January 2020.

[17][18] In June 2022 he moved to Guiseley,[19] making one friendly and 12 competitive appearances for the club.

[20] On 11 November 2022, Sikora joined Marske United for an undisclosed fee.