Yoshimasa Hosoya(細谷 佳正 Hosoya Yoshimasa?, born February 10, 1982) is a Japanese voice actor from Hiroshima. He is affiliated with Mausu Promotion. He is also a member of the pop duo MaxBoys along with Masuda Toshiki(増田 俊樹 Masuda Toshiki?), a fellow Japanese voice actor.
He voices Asahina Yusuke in the Brothers Conflict series, as well as performed the anime's ending theme "14 to 1".