Colin George Barrett (29 May 1863 – 25 February 1898), was a leading jockey in the United Kingdom in the 1880s and 1890s.

During his early career he could do weights as low at 5 st 7 lb (34.9 kg).

He rode the unbeaten Ormonde to victory in the 2000 Guineas in 1886 after regular jockey Fred Archer riding Saraband.

In 1892 he rode Orme and La Fleche to a number of top class victories.

Barrett was never champion jockey, but was second four times, including finished four winners behind Morny Cannon in 1891.