| Horsename: | Haiseiko |
| Sire: | China Rock |
| Grandsire: | Rockefella |
| Dam: | Haiyu |
| Damsire: | Karim |
| Sex: | Stallion |
| Foaled: | 1970 |
| Country: | Japan |
| Colour: | Bay |
| Breeder: | Takeda Bokujo |
| Owner: | Oyu Horseman Club |
| Trainer: | Masami Ito Katsutaro Suzuki |
| Record: | 22: 13-4-2 |
| Earnings: | 219,539,600 Yen |
| Race: | Seiun Sho (1972) Yayoi Sho (1973) Spring Stakes (1973) Satsuki Sho (1973) NHK Hai (1973) Nakayama Kinen (1974) Takarazuka Kinen (1974) Takamatsunomiya Hai (1974) |
| Awards: | Yushun Public Prize |
| Honours: | Japan Racing Association Hall of Fame (1984) Statue at Nakayama Racecourse, Oi Racecourse & Niikappu, Hokkaido Haiseiko Kinen at Oi Racecourse |
| Updated: | January 28, 2010 |
(March 6, 1970 - May 4, 2000) was a Japanese Thoroughbred racehorse.
In 1972, at age two, Haiseiko began racing at the Oi Racecourse for the Japanese National Association of Racing.[1] He was undefeated in six starts at Oi Racecourse.
At age three, Haiseiko was traded to the Japan Racing Association. He won the Satsuki Sho, the first of the Japanese Classic Races but then finished third Take Hope in the Tokyo Yushun and second to the same horse in the Kikuka Sho.
At age four, Haiseiko won the Takarazuka Kinen.
Retired to stud, Haiseiko sired the Tokyo Yushun winner Katsurano Haiseiko, the Satsuki Sho winner Haku Taisei, the Tokyo Derby winner King Haiseiko and Outrun Seiko. He was the Leading Sire in NAR for 1990.
Haiseiko was inducted in the Japan Racing Association Hall of Fame in 1984.
The last NAR race Haiseiko ran and won, the Seiun Sho, was renamed the in honor of the horse in 2001 after he passed away. Three statues of Haiseiko have been erected as well; with one each at Oi Racecourse, Nakayama Racecourse, and at the .[2] [3] [4]