Antu may refer to:

• Antu (goddess), a goddess, in Akkadian mythology
• Antu (Mapuche mythology), the Pillan spirit in the Mapuche mythology
• Antu, India, a town in Pratapgarh District, Uttar Pradesh, India
• Antu County, in Jilin, China
• Alpha-Naphthylthiourea, a thiourea derivative used as a rodenticide

Äntu is a village in Väike-Maarja Parish, Lääne-Viru County, in northeastern Estonia. It has a population of 50 (as of 1 January 2011).

a-Naphthylthiourea (ANTU) is an organosulfur compound with the formula C₁₀H₇NHC(S)NH₂. This a white, crystalline powder although commercial samples may be off-white. It is used as a rodenticide and as such is fairly toxic. Naphthylthiourea is available as 10 ctive baits in suitable protein- or carbohydrate-rich materials and as a 20% tracking powder.