Reginald Leslie Keates (born 27 June 1980) is a former South African born English cricketer. Keates was a right-handed batsman who bowled right-arm off break.
In 2002, Keates made his debut for Dorset in the Minor Counties Championship against Oxfordshire. From 2002 to 2005, he represented the county in 8 Minor Counties Championship matches, with his final match for the county coming against Herefordshire in 2005.
In 2002, Keates also made his List-A debut for Dorset against the Worcestershire Cricket Board in the 1st round of the 2003 Cheltenham & Gloucester Trophy, which was played in 2002. Keates represented the county in a further 2 List-A matches against Buckinghamshire in the 1st round of the 2004 Cheltenham & Gloucester Trophy which was played in 2003 and against Yorkshire in the 2nd round of the 2004 Cheltenham & Gloucester Trophy which was played in 2004.