Takahiro Hosokawa (細川隆弘, Hosokawa Takahiro), (born 1 April 1967, in Kyoto) is a former Japanese rugby union footballer. He played as a fullback. Hosokawa had only 10 caps for Japan, from 1990 to 1993, but he nevertheless scored 3 tries, 14 conversions, 24 penalties and 1 drop goal, in an aggregate of 115 points. His first match was a 28-16 win over Tonga, at 8 April 1990, in Tokyo, and his last match was a 45-20 loss to Argentina, at 22 May 1993, in Buenos Aires.