Si Wilai (Thai: ศรีวิไล, pronounced [sǐː wí.lāj]) is a district (amphoe) in the eastern part of Bueng Kan province, northeastern Thailand.

Neighboring districts are (from the north clockwise): Mueang Bueng Kan, Seka, and Phon Charoen.

[1] The minor district (king amphoe) Si Wilai was established on 1 January 1988, when four tambons, Si Wilai, Chumphu Phon, Na Saeng, and Na Sabaeng were split off from Bueng Kan district.

[3] The district is divided into five sub-districts (tambons), which are further subdivided into 50 villages (mubans).

This Bueng Kan province location article is a stub.