Namesakes
Hiroshi Yoneyama
(m) 1908-1988 
Olympic Medalists 1928 swimming - 4x200 m freestyle relay (silver)
Ford Hiroshi Konno
(m) 1933-
Olympic Medalists 1952; 1956 swimming - 1500 m freestyle; swimming - 400 m freestyle; swimming - 4x200 m freestyle relay (gold/silver)
Hiroshi Suzuki
(m) 1933-
Olympic Medalists 1952 swimming - 100 m freestyle; swimming - 4x200 m freestyle relay (silver)
Hiroshi Ishii
(m) 1939-
Olympic Medalists 1960 swimming - 4x200 m freestyle relay (silver)
Hiroshi Michinaga
(m) 1956-
Olympic Medalists 1976 archery - individual (silver)
Amano Hiroshi
(m) 1960-
Nobel Prize Winners 2014 (physics)
Notable Scientists and Inventors
Hiroshi Yamamoto
(m) 1962-
Olympic Medalists 1984; 2004 archery - individual (bronze/silver)
Hiroshi Nakamoto
(m) 1966-
Olympic Medalists 1992 baseball (bronze)