Doolittle is a surname. Notable people with the surname include:
Amos Doolittle (1754–1832), American engraver and silversmithBenjamin Doolittle (1825–1895), New York politicianBev Doolittle (born 1947), American painterBill Doolittle (born c. 1921), American former football player and coachCharles Doolittle (1832–1903), American Civil War generalDudley Doolittle (1881–1957), American congressman from KansasEliza Doolittle (singer) (born 1988), British singerFord Doolittle (born 1942), American biochemistHilda Doolittle (1886–1961), American poetJimmy Doolittle, American aviation pioneer, general and recipient of the Medal of HonorJames Rood Doolittle (1815–1897), American politicianJohn Doolittle (born 1950), American congressman from CaliforniaJustus Doolittle (1824–1880), American Board of Commissioners for Foreign Missions missionary to Fuhchau, ChinaMelinda Doolittle (born 1977), American singerRussell Doolittle (born 1931), American biochemistSean Doolittle, American baseball playerSean Doolittle (author), American novelistThomas Doolittle (c. 1632 – 1707), English nonconformist minister, tutor and authorWilliam H. Doolittle (1848–1914), American congressman from Washington StateFictional characters:
Doctor DolittleEliza Doolittle, main character of the play Pygmalion and its musical adaptation, My Fair Lady