Kantaro Hoshino (星野 勘太郎, Hoshino Kantarō) (born Yeo Geon-bu (여건부) on October 9, 1943 – November 25, 2010) was a Japanese born, Korean professional wrestler, manager, and promoter best known for his time in New Japan Pro-Wrestling. As a wrestler, he was half of The Yamaha Brothers team along with Kotetsu Yamamoto. As a manager, he co-led the heel stable Makai Club, with Tadao Yasuda.