Rex Howard Harrington, OC FRSC (born October 30, 1962, in Peterborough, Ontario) is a Canadian ballet dancer.

He partnered with many renowned ballerinas such as Ekaterina Maximova, Carla Fracci, Karen Kain, Veronica Tennant, Alessandra Ferri, Susan Jaffe and Evelyn Hart.

Choreographer Glen Tetley also created the roles of Lewis Carroll in Alice (1992) and The Young Gentleman in La Ronde (1988) for Harrington.

[4] Harrington has appeared in Norman Jewison's The January Man, as well as the film adaptation of The Four Seasons, for which he won a Gemini Award in 2000.

In summer 2014, Rex appeared as a contestant with his fiancé, Bob Hope, on the second season of The Amazing Race Canada, where he finished 7th.