Kalasin (Thai: กาฬสินธุ์) is one of the provinces (changwat) of Thailand, located in the North-East of Thailand. Neighboring provinces are (from north clockwise) Sakon Nakhon, Mukdahan, Roi Et, Maha Sarakham, Khon Kaen and Udon Thani.

Geography
Kalasin is an agricultural province producing sticky rice and other cash crops such as manioc and sugar cane. The families are generally poor in this essentially rural area and make ends meet by producing the silk for which the region is also renowned and basketry.

Symbols
The province is subdivided into 14 districts (Amphoe) and 4 minor districts (King Amphoe). The districts are further subdivided into 134 communes (tambon) and 1509 villages (muban).

Mueang Kalasin
Na Mon
Kamalasai
Rong Kham
Kuchinarai
Khao Wong
Yang Talat
Huai Mek
Sahatsakhan
Kham Muang
Tha Khantho
Nong Kung Si
Somdet
Huai Phueng
Sam Chai
Na Khu
Don Chan
Khong Chai