The Randwick Guineas is an Australian Turf Club Group One Thoroughbred horse race for three-year-olds, run at set weights over a distance of 1600 metres at Randwick Racecourse in Sydney, Australia in March as a part of the Sydney Autumn Carnival.

Total prize money for the race is A$1 million.

The winner of this race automatically qualifies for a berth in the Australian Derby and Doncaster Mile[1] This race is the first leg of the Australian Three Year Old "Triple Crown" consisting of the Rosehill Guineas (2000 metres) and Australian Derby (2400 metres).

[1] This race replaced the former event Canterbury Guineas, which was discontinued after the 2005 running after the Australian Jockey Club and the Sydney Turf Club implemented major program changes streamlining the major races into the race calendar.

† Change in scheduling of race from spring to autumn