Kousei Miura (三浦 皇成, Miura Kōsei; born December 19, 1989, in Nerima, Tokyo, Japan) is a Japanese jockey who is affiliated with the Japan Racing Association. He won the 2008 JRA Award for Newcomer Jockey with the Most Victories after winning 91 races in a single year as a rookie jockey, surpassing Yutaka Take's previous record of 69 victories.
Miura has also been awarded the 2014 Hokkaido Horse Racing Press Club Award.
Miura won his first Grade I race at the JRA in the 2025 Sprinters Stakes with Win Carnelian.
Official Excelling profile (in Japanese)