Conor Fitzsimmons (born 7 May 1998) is a professional rugby league footballer who plays as a or for the Sheffield Eagles in RFL Championship.
Fitzsimmons commenced his top-level playing career in the 2016 Super League season with Castleford.
In November 2017 he signed for Newcastle. He has previously played for English Super League club Castleford and spent the 2017 season on loan with Workington Town.
Fitzsimmons signed for Workington Town for the 2020 season and was named their 'Player of the Year' in 2022.
In October 2022, he joined the York RLFC on a two-year deal.
On 14 October 2025 it was reported that he had joined Sheffield Eagles on a two-year deal.