| C. B. McGrath | |
| Birth Date: | 21 November 1975 |
| Birth Place: | Indianapolis, Indiana, U.S. |
| Player Years1: | 1994–1998 |
| Player Team1: | Kansas |
| Coach Years1: | 1999–2003 |
| Coach Team1: | Kansas (admin. asst) |
| Coach Years2: | 2003–2017 |
| Coach Team2: | North Carolina (assistant) |
| Coach Years3: | 2017–2020 |
| Coach Team3: | UNC Wilmington |
| Coach Years4: | 2021–2022 |
| Coach Team4: | Cincinnati (special asst.) |
| Overall Record: | 26–58 |
Colin Bryan McGrath (born November 21, 1975) is an American college basketball coach, most recently the head coach at UNC Wilmington. McGrath previously served under Roy Williams as an assistant coach with the University of North Carolina. Born in Indianapolis, Indiana,[1] but raised in Topeka, Kansas, McGrath started out as a player for Williams at Kansas and was an assistant under him at Kansas and North Carolina.[2]
On April 3, 2017 McGrath was named head coach at UNC Wilmington following the conclusion of North Carolina's season.[3]
On January 13, 2020 UNCW relieved McGrath of his duties following a 5-14 start to the 2019-2020 season with just two of those wins coming against Division 1 competition.[4]