Khon Sawan (Thai: คอนสวรรค์, pronounced [kʰɔ̄ːn sā.wǎn]; Northeastern Thai: คอนสวรรค์, pronounced [kʰɔ᷇ːn sā.wǎn]) is a district (amphoe) of Chaiyaphum province, northeastern Thailand.

Khon Sawan is an ancient city, in the past named Mueang Ka Long.

It was built in the same era as Mueang Khorat by Phraya Khun Han, a cousin of the governor of Khorat.

Neighboring districts are (from the north clockwise): Khok Pho Chai, Waeng Yai, and Waeng Noi of Khon Kaen province; Kaeng Sanam Nang of Nakhon Ratchasima province; and Mueang Chaiyaphum and Kaeng Khro of Chaiyaphum Province.

This Chaiyaphum Province location article is a stub.