Timothy O'Neill
Timothy or Tim O'Neill or O'Neal may refer to:
- Timothy O'Neill, a character in the U.S. TV series Daria
- Timothy O'Neill , American soccer midfielder
- Tim O'Neill , Canadian football offensive lineman in the Canadian Football League
- Tim O'Neill, character from the 1990s television series seaQuest DSV
- Timothy O'Neal , American golfer
- Timothy O'Neill , American camouflage expert, designer of MARPAT
- Tim O'Neal, member of the Pennsylvania House of Representatives