Suíyuǎn (綏遠) was a historical province of China. Suiyuan's capital was Guisui (now Hohhot). The abbreviation was 綏 (pinyin: suí). The area Suiyuan covered is approximated today by the prefecture-level cities of Hohhot, Baotou, Wuhai, Ordos , Baynnur , and parts of Ulaan Chab , all part of Inner Mongolia.

Suiyuan was established by the Republic of China. It became a part of the puppet state of Mengjiang from 1937 to 1945 under Japanese rule. Under the People's Republic of China, Suiyuan became a part of Inner Mongolia in 1954.

The province was named after a district in the capital established in the Qing Dynasty.