Colin O'Reilly (born 30 January 1984) is an Irish basketball coach and former player. He played Division III college basketball for Post University in the United States in the early 2000s and later represented the Irish national team as both a player and as a player-coach.
O'Reilly was born in Cork, Ireland.
On 26 March 2015, O'Reilly was named an inaugural Premier League All-Star First Pick alongside UCC Demons teammates Kyle Hosford and Lehmon Colbert. Three days later, he helped Demons create Irish basketball history by winning the Champions Trophy and adding to their undefeated 2014âÂÂ15 season. With a 24âÂÂ0 record, the team also won the League and National Cup titles. In addition, O'Reilly earned Champions Trophy MVP honours after scoring 25 points in the final. He was later named both Player of the Year and Coach of the Year for the 2014âÂÂ15 season. In 2015âÂÂ16, he helped Demons reclaim both the Premier League title and the Champions Trophy.
On 22 June 2016, O'Reilly was appointed head coach of the Cheshire Phoenix for the 2016âÂÂ17 British Basketball League season. However, after a poor start to the season, he parted ways with the club in December 2016.
In July 2017, O'Reilly returned to UCC Demons as player-coach for the 2017âÂÂ18 season. He parted ways with Demons after the 2018âÂÂ19 season.
In June 2019, O'Reilly joined Killorglin as player-coach for the 2019âÂÂ20 season.
O'Reilly was set to serve as player-coach of Neptune for the 2020âÂÂ21 season before it was cancelled due to the COVID-19 pandemic. He returned as player-coach of Neptune for the 2021âÂÂ22 season.
For the 2022âÂÂ23 season, O'Reilly continued on as Neptune's head coach. He began the 2023âÂÂ24 season as coach before being replaced in November 2023.
O'Reilly was head coach of the Irish senior men's team from 2014 to 2016, helping them to a fourth-placed finish at the 2016 FIBA European Championship for Small Countries.
In 2019, O'Reilly served as player-coach of the Irish 3x3 team at the FIBA 3x3 Europe Cup.
In April 2022, O'Reilly was re-appointed coach of the Irish men's 3x3 team. In March 2024, he was appointed coach of the Irish women's 3x3 team.
O'Reilly's older brother, Niall, also plays basketball. His sisters, Orla and Sinead, played college basketball for Binghamton University. After graduating, Orla went on to play professionally.
O'Reilly is a former Cork senior hurling championship winner. He played for Blackrock and helped them win the 2002 Cork Senior Hurling Championship.