Tohu can refer to:
- Tohu Harris, New Zealand rugby league footballer
- Tohu Kākahi, New Zealand Māori leader
- Tohu wa-bohu, the Hebrew phrase from the Book of Genesis, usually translated "formless and empty"
- Tohu and Tikun: The two stages of Existence in Lurianic Kabbalah. The initial Olam-World of Tohu-Chaos collapses, to be replaced by the World of Tikun-Rectification