Colm Wilkinson (born 5 June 1944), also known as C. T. Wilkinson, is an Irish tenor, best known for originating the role of Jean Valjean in Les Misérables (in the West End and Broadway) and for taking the title role in The Phantom of the Opera at the Sydmonton Festival and in the original Canadian production.

Due to his association with these musicals, he reprised the role of Jean Valjean during the Les Misérables 10th Anniversary Concert (at The Royal Albert Hall), as well as appearing as a special guest at the 25th Anniversary Celebrations of Les Misérables (at the O2 arena) and The Phantom of the Opera at the Royal Albert Hall.