In Secret (foaled 2 September 2019) is a retired multiple Group 1 winning Australian Thoroughbred racehorse.

In Secret's broodmare, Eloping, won over $1 million dollars in her racing career, culminating with Group 3 victories in the Keith Mackay Handicap and Champagne Stakes.

[2] In Secret had her first race start at Scone Racecourse on the 14 May 2022 in the Woodlands Stakes.

In Secret then ran second in the Golden Rose Stakes before winning the Group 1 Coolmore Stud Stakes at Flemington Racecourse when ridden by James McDonald.

[4] In July 2024 it was announced In Secret would be retired from racing and begin breeding duties due to a suspensory ligament injury in her right foreleg.