The Queen Elizabeth II Cup (Queen Elizabeth II Commemorative Cup until 2012) is an International Grade 1 flat horse race in Japan for three-year-old and above thoroughbred fillies and mares run over a distance of 2,200 metres (approximately 1 mile 3 furlongs) on the turf at Kyoto Racecourse in November.

In the same year the Shuka Sho was established and became the third leg of the Fillies' Triple Crown.

The following year she made Japanese flat racing history of being the first ever non-Japanese trained horse to win the same Grade 1 flat race back-to-back (second ever including Steeplechase, which Karasi winning Nakayama Grand Jump between 2005 and 2007).

The other Grade 1 races for older female horses in Japan, the Victoria Mile, excludes three-year-olds.

Most successful horse (2 wins): a Kawakami Princess finished first in 2006 but was demoted to 12th place following a Stewards' Inquiry.