William Edward Mullins (8 June 1834 - 1 December 1918) was a school master and local politician.
Born in St John's Wood, he was the son of Edward Mullins, solicitor and his wife Elizabeth. Following education at Cambridge University he became an assistant master at Marlborough College in 1860. From 1872-98 he was Master of Preshute House. He retired to Lyndhurst Gardens, Hampstead.
In 1901 he was elected a councillor representing Hampstead. He lost the seat at the 1904 election, but was able to remain a member as an alderman, serving a six-year term until 1910. He stood for election at Islington North at the 1910 election without success.