Mueang Chiang Mai (Thai: เมืองเชียงใหม่, pronounced [mɯ̄a̯ŋ t͡ɕʰīa̯ŋ màj]; Northern Thai: เมืองเจียงใหม่, pronounced [mɯ̄a̯ŋ t͡ɕīa̯ŋ màj]) is the capital district (amphoe mueang) of Chiang Mai province in northern Thailand.

The area of Mueang Chiang Mai district was the central part of the Lanna Kingdom, named Nopphaburi Si Nakhon Phing Chiang Mai.

The government created Mueang Chiang Mai district in 1899.

The first district office was opened in 1929, on the west side of the old city hall of Chiang Mai.

Mueang Chiang Mai is divided into 16 sub-districts (tambon), which are further subdivided into 78 administrative villages (muban).