Mae Taeng (Thai: แม่แตง, pronounced [mɛ̂ː tɛ̄ːŋ]; Northern Thai: ᩯᨾ᩵ᩯᨲ᩠ᨦ, pronounced [mɛ̂ː tɛ̌ːŋ]) is a district (amphoe) in the northern part of Chiang Mai province in northern Thailand.

Neighboring districts are (from the north clockwise) Chiang Dao, Phrao, Doi Saket, San Sai, Mae Rim, Samoeng of Chiang Mai Province and Pai of Mae Hong Son province.

The Taeng River, a river that has its source in the mountains of the Daen Lao Range in Wiang Haeng district, flows into the Ping River, one of the main tributaries of the Chao Phraya River, in Mae Taeng District.

There is a beautiful Lanna-style temple called Wat Ban Den in the Inthakhin village of the district. The temple is known for its stunning architecture and serene atmosphere.

In 1892, Khwaeng Mueang Kuet (เมืองกื้ด) was created, and renamed in 1894 to Khwaeng Mueang Kaen (เมืองแกน). In 1907 it was upgraded to a district (amphoe) named San Maha Phon (สันมหาพน), and renamed Mae Tang in 1939.

Mae Taeng is divided into 13 sub-districts (tambon), which are further subdivided into 120 administrative villages (Muban).

There is one town (thesaban mueang) in the district:

There are five sub-district municipalities (thesaban tambons) in the district: