Timothy Francis Quinlan CMG KSS (18 February 1861 – 8 July 1927) was an Irish-born Australian politician who represented the electorates of West Perth and Toodyay in the Western Australian Legislative Assembly between 1890 and 1894, and 1897 and 1911, respectively. Quinlan was also Speaker of the Assembly for a period of time between 1905 and 1911.