Keiji Hirose

, born April 16, 1973, in Osaka) is a former Japanese rugby union player. He played as a fly-half. His club team was Toyota Verblitz. He was nicknamed .

Hirose was awarded 40 caps for Japan; he made his debut in a 26–11 1995 Rugby World Cup qualifier win over South Korea, October 29, 1994, in Kuala Lumpur, Malaysia. In his career, Hirose scored 5 tries, 77 conversions, 79 penalties and 2 drop goals, reaching a national record of 422 points in aggregate. He was the primary goalkicker for Japan during his international career.

He played in a single game at the 1995 Rugby World Cup, the infamous 145–17 defeat to New Zealand. Hirose scored 2 conversions and 1 penalty in the game.

In the 44–17 win over Tonga, at 8 May 1999, in Tokyo, during the Pacific Rim Championship, he kicked a then record of 9 penalties from 9 attempts.

He played in all three of Japan's games at the 1999 Rugby World Cup. His 5 penalties and 4 conversions (a total of 23 points) led his country in scoring. Hirose again played only once at the 2003 Rugby World Cup, in a 32–11 defeat to Scotland, at 12 October 2003, scoring 2 penalties.

His last international game came was on 5 November 2005, a 44–29 win over Spain, in Tokyo. Hirose had a memorable farewell, scoring 19 points through 5 conversions, 2 penalties and 1 drop goal. He was 32 years old.