Wang Muang (Thai: วังม่วง, pronounced [wāŋ mûaŋ]) is a district (amphoe) in the northern part of Saraburi province, central Thailand.

[1] It was upgraded to full district status on 7 September 1995.

[2] Neighboring districts are (from the north clockwise) Phatthana Nikhom of Lopburi province and Muak Lek and Kaeng Khoi of Saraburi Province.

The district is divided into three sub-districts (tambons), which are further subdivided into 31 villages (mubans).

Wang Muang is the only township (thesaban tambon), covering parts of tambons Wang Muang and Kham Phran.