Cian Thomas Bolger (born 12 March 1992) is an Irish professional footballer who plays as a defender for Larne.

[6] He made his debut in the Football League while on loan at Bristol Rovers, when he came on as a 78th-minute substitute for Carl Regan in a 6–1 defeat to Walsall on 29 January 2011.

[7] Bolger was sent off for the first time in his senior career on 8 February 2011, after a second yellow card for a poor challenge on Rochdale player Chris O'Grady.

On 8 September 2012 he sustained a cruciate ligament injury in a 2–2 draw against Aldershot Town, which prevented him from playing for over 3 months.

On 14 April 2015, Bolger scored his first goal for Southend United in the 45th minute against Newport County with a towering header.