The Shire of Williams is a local government area in the Wheatbelt region of Western Australia, about southeast of the state capital, Perth. The Shire covers an area of , and its seat of government is the town of Williams.
The Williams Road District was created on 12 February 1871 as one of the first regional local government areas in Western Australia. On 1 July 1961 it became a shire following the enactment of the Local Government Act 1960, which reformed all road districts into shires.
Until 2002, the Shire was divided into 3 wards - North West (1), North East (1) and Central (3). On 3 May 2003 all wards were abolished and councillors sit at large.
The towns and localities of the Shire of Williams with population and size figures based on the most recent Australian census:
As of 2023, 322 places are heritage-listed in the Shire of Williams, of which two are on the State Register of Heritage Places.