Bed o' Roses (1947 – January 5, 1953) was an American thoroughbred racehorse. Bed o' Roses was a bay filly by Rosemont out of the mare Good Thing, by Discovery, owned and bred by Alfred G. Vanderbilt II's Sagamore Farm. Trained by Bill Winfrey and ridden by Eric Guerin, she won the 1949 Grade 1 Matron Stakes for two-year-old fillies at Belmont Park plus eight other important races. At the end of the season, Bed o' Roses was named the American Champion Two-Year-Old Filly. Bed o' Roses is buried at Sagamore Farm, Maryland.