Connor Patrick O'Riordan (born 19 October 2003) is an Irish professional footballer who plays as a defender for EFL League Two side Crewe Alexandra on loan from EFL Championship club Blackburn Rovers and has also been capped for the Republic of Ireland U20 and U21 teams.

He began his career at Crewe Alexandra and has also had loan spells at Raith Rovers in Scotland and at Cambridge United.

[2] In September 2021, he joined Kidsgrove Athletic[3] on a month-long loan before having a similar spell at Nantwich Town the following month.

[7] On 5 August 2022, O'Riordan joined Scottish Championship side Raith Rovers on loan until January 2023,[8] making his debut the following day in a 1–0 defeat to Dundee.

[11] After suspension, he scored his second Crewe goal in his next game, a 4–3 win over Salford City at Gresty Road on 10 March 2023.