Garry Cook (born 10 January 1958) is a former British athlete, who competed mainly in the 800 metres with a best time of 1:44.55.

He competed for Great Britain in the 1984 Summer Olympics held in Los AngelesUnited States in the 4 x 400 metre relay where he won the Silver medal with his team mates Kriss AkabusiTodd Bennett and Philip Brown.

He was a World Record holder in the rarely run 4x800m as a part of a quartet that also contained Peter ElliottSteve Cram and Sebastian Coe. They ran a time of 7 minutes 3.89 seconds on 30 August 1982 at Crystal Palace.

After a successful athletics career, Cook qualified and has since practiced as a teacher specialising in Physical Education and Geography.

He is married to former fellow Olympian Kathy Cook; they have three children, Sarah (1988), Matthew (1989) and George (1992) and reside in Walsall, England.