The King William Ale House is a historic public house situated on King Street in Bristol, England. It dates from 1670 and was originally part of a row of three houses. The three have been designated by English Heritage as a grade II* listed building since 8 January 1959. It includes a mixture of 17th-century and 18th-century features, is terracotta coloured, but currently serves as a public house owned and operated by Samuel Smith Old Brewery.