Mikki Queen, foaled 8 February 2012, is a Japanese Thoroughbred racehorse and broodmare. She showed promise as a juvenile in 2014 when she won the second of her two starts. In 2015 she took the JRA Award for Best Three-Year-Old Filly after winning both the Yushun Himba and the Shuka Sho as well as finishing second in the Daily Hai Queen Cup and the Rose Stakes. She failed to win in 2016 when she had injury problems but ran second in the Victoria Mile and third in the Queen Elizabeth II Cup. As a five-year-old she won the Hanshin Himba Stakes and finished third in both the Takarazuka Kinen and the Queen Elizabeth II Cup before being retired from racing at the end of the year.

The Yushun Himba (優駿牝馬), also known as the Japanese Oaks (オークス) is a Japanese Grade 1 flat horse race for three-year-old thoroughbred fillies run over a distance of 2,400 metres at the Tokyo Racecourse, Fuchū, Tokyo in May.