Ahu or AHU may refer to:
Ahura Mazda (Modern Persian: اهورا مزدا (/əˌhʊrəˌmæzdə/;) (also known as Ohrmazd, Ahuramazda, Hourmazd, Hormazd, Harzoo and Hurmuz, Lord or simply as spirit) is the Avestan name for the creator and sole God of Zoroastrianism, the old Mede and Persian religion which spread across Asia predating Christianity.
Ahuntsic-Cartierville (French pronunciation: [a.œ̃tsik.kaʁtjevil]) is a borough (arrondissement) of the city of Montreal, Quebec, Canada.
Ahuti Prasad (2 January 1958 – 4 January 2015) was an Indian character actor in the Telugu film industry.
Ahuy is a French commune in the Côte-d'Or department in the Bourgogne-Franche-Comté region of eastern France.
Ahuachapán is a city and municipality and the capital of the Ahuachapán Department in western El Salvador.
Ahu Akivi is a particular sacred place in Rapa Nui (or Easter Island) in the Valparaíso Region of Chile, looking out towards the Pacific Ocean.
Ahuna Mons /əˈhuːnə ˈmɒnz/ is the largest mountain on the dwarf planet and asteroid Ceres. It protrudes above otherwise smooth terrain, it is not an impact feature, and it appears to be the only mountain of its kind on Ceres.
Ahuitzotl (Nahuatl: āhuitzotl, Nahuatl pronunciation: [aːˈwit͡sot͡ɬ]) was the eighth Aztec ruler, the Hueyi Tlatoani of the city of Tenochtitlan, son of princess Atotoztli II.
Ahuntsic was a federal electoral district in Quebec, Canada, that was represented in the House of Commons of Canada from 1968 to 1979 and from 1988 to 2015.