Tosaka

Tosaka (written: 登坂 or 戸坂) is a Japanese surname. Notable people with the surname include:

• Eri Tosaka (登坂 絵莉, born 1993), Japanese sport wrestler
• Hiroomi Tosaka (登坂 広臣, born 1987), Japanese singer and actor
• Jun Tosaka (戸坂 潤, 1900–1945), Japanese philosopher