Dailey is a surname. Notable people with the surname include:
Aktive Dailey (born in Los Angeles,CA), Entrepreneur & Music ProducerBill Dailey (born 1935), American professional baseball playerBob Dailey (born 1953), Canadian ice hockey playerCasey Dailey (born 1975), American football playerDan Dailey (1915–1978), American actor and dancerDan Dailey (glass artist) (born 1947), American glass artistDell L. Dailey, United States Department of State counterterrorism officerDon Dailey (1956–2013), American computer chess researcher and game programmerDoug Dailey (born 1944), English cyclistFred Dailey (born 1946), American farmerIrene Dailey (1920–2008), American actressJanet Dailey (1944–2013), American authorJohn R. Dailey (born 1934), United States Marine Corps generalMark Dailey (1953–2010), American -born Canadian television journalistMary Dailey (1928–1965), All-American League Professional Baseball League playerPeter F. Dailey (1868–1908), American burlesque comedianQuintin Dailey (1961–2010), American professional basketball playerTed Dailey (1908–1992), American football playerUlysses Grant Dailey (1885–1961), American surgeon, writer and teacherWill Dailey (?), American recording and performing artist