Tapu may refer to:

• Tapu (Polynesian culture), a concept of sacredness from which the word "taboo" is derived
• Tapu (Ottoman law), a form of land tenure in the Ottoman Empire, subject to the tapu resmi tax

• Tapu (Bora Bora), a private island in French Polynesia
• Tapu, New Zealand, a settlement on the Coromandel Peninsula, New Zealand
• Țapu, a village in Micăsasa Commune, Sibiu County, Romania

• Codrin Țapu, a Romanian author and psychologist
• Tapu Javeri, a Pakistani photographer
• The "guardian deities," a group of Pokémon species introduced in Pokémon Sun and Moon (Tapu Koko, Tapu Lele, Tapu Bulu, Tapu Fini)

• Dapu (disambiguation)
• Ko Tapu or James Bond Island, an island in the Phang Nga Bay, Thailand