Mueang Lamphun (Thai: เมืองลำพูน; IPA: [mɯ̄aŋ lām.pʰūːn]) is the capital district (amphoe mueang) of Lamphun province, northern Thailand.

Neighboring districts are (from the south clockwise) Mae Tha and Pa Sang of Lamphun Province, San Pa Tong, Hang Dong, Saraphi of Chiang Mai province, Ban Thi of Lamphun and Mae On of Chiang Mai.

The district is divided into 17 sub-districts (tambons), which are further subdivided into 158 villages (mubans).

There are three more sub-district municipalities (thesaban tambons): Umong and Rim Ping cover the complete same-named tambons, and Ban Paen parts of tambons Ban Paen and Nong Nam.

This Lamphun Province location article is a stub.