Timothy O'Neill

Timothy or Tim O'Neill or O'Neal may refer to:


 * Timothy O'Neill (Daria), a character in the U.S. TV series Daria
 * Timothy O'Neill (soccer) (born 1982), American soccer midfielder
 * Tim O'Neill (Canadian football) (born 1979), Canadian football offensive lineman in the Canadian Football League
 * Tim O'Neill (seaQuest), character from the 1990s television series seaQuest DSV
 * Timothy O'Neal (golfer) (born 1972), American golfer
 * Timothy O'Neill (camoufleur) (born 1943), American camouflage expert, designer of MARPAT
 * Tim O'Neal (politician), member of the Pennsylvania House of Representatives