shamshir (foaled 21 february 1988) was a british thoroughbred racehorse and broodmare. in racing career which lasted from august 1990 until october 1991 she won two of her eleven races. as a two-year-old in 1990 she was one of the best fillies of her generation in britain, winning a maiden race and being narrowly beaten in the may hill stakes before recording her biggest win in the group one fillies' mile. she failed to win as a three-year-old but finished second in the oaks and the nassau stakes and third in the yorkshire oaks. she was retired at the end of the year to become a broodmare.