Mae Tha (Thai: แม่ทะ, pronounced [mɛ̂ː tʰáʔ]) is a district (amphoe) of Lampang province, northern Thailand.

Neighboring districts are (from the south clockwise): Sop Prap, Ko Kha, Mueang Lampang, Mae Mo of Lampang Province, Long and Wang Chin of Phrae province.

The Phi Pan Nam Mountains dominate the landscape of the district.

The missing number 9 belongs to tambon Sop Pat, which is now part of the District Mae Mo.

There are five sub-district municipalities (thesaban tambons) in the district: There are five sub-district administrative organizations (SAO) in the district: This Lampang province location article is a stub.