Maha Chana Chai (, ; , ) is a district of Yasothon province in northeastern Thailand.
In 1859, Prince Thao Puttakhamphun (à ¸Âà ¹Âà ¸²à ¸§à ¸Âà ¸¸à ¸Âà ¸Âà ¸°à ¸Âà ¸³à ¸Âà ¸¹à ¸ à ¸£à ¸²à ¸Âà ¸Âà ¸¸à ¸Âà ¸£) founded a new city in the vicinity of the village of Woen Chai (à ¸Âà ¹Âà ¸²à ¸Âà ¹Âà ¸§à ¸´à ¸Âà ¸Âà ¸±à ¸¢) beside the Chi River, which he named Mueang (city of) Han Chai Cham Na (à ¹Âà ¸¡à ¸·à ¸Âà ¸Âà ¸«à ¸±à ¸Âà ¸Âà ¸±à ¸¢à ¸Âà ¸³à ¸Âà ¸° translation unknown.) In 1863, King Rama IV renamed the town Mueang Maha Chana Chai ('triumphant victory')
The town became a district (amphoe) of Ubon Ratchathani province in 1909, and on 24 April 1917 its name was changed to Fa Yat District (à ¸Âà ¸³à ¹Âà ¸ à ¸Âà ¸Âà ¹Âà ¸²à ¸«à ¸¢à ¸²à ¸Â), because the district office was in Fa Yat village, Fa Yat sub-district. On 7 April 1939, the name reverted to Maha Chana Chai District.
On 1 March 1972, when Yasothon Province was established, Maha Chana Chai was one of six districts assigned to the new province.
Neighboring districts are (from the north clockwise): Kham Khuean Kaeo of Yasothon Province; Khueang Nai of Ubon Ratchathani province; Kho Wang of Yasothon Province; Rasi Salai, Sila Lat of Sisaket province' and Phanom Phrai of Roi Et province.
The district is divided into 10 sub-districts (tambons), with 103 villages (mubans).