Toshikazu (written: 寿一, 俊一, 利一, 利和, 敏一 or 敏和) is a masculine Japanese given name. Notable people with the name include:
Toshikazu Ichimura (born 1941), Japanese aikidokaToshikazu Irie (入江 利和, born 1984), Japanese footballerToshikazu Kase (加瀬 俊一, 1903–2004), Japanese civil servant and diplomatToshikazu Katayama (片山 敏一, born 1913), Japanese figure skaterToshikazu Kato (加藤 寿一, born 1981), Japanese footballerToshikazu Kawasaki (川崎 敏和, born 1955), Japanese origami artistToshikazu Sano (born 1940), Japanese football refereeToshikazu Sugihara (born 1964), Japanese golferToshikazu Sunada (砂田 利一, born 1948), Japanese mathematician and writerSaito Toshikazu (齋藤 俊一, died 1582), Japanese samuraiToshikazu Yamashita (山下 敏和, born 1977), Japanese sport shooter