Paul O'Sullivan may refer to: Paul O'Sullivan (diplomat) (born 1948), Australian political adviser and diplomat Paul O'Sullivan (actor) (1964–2012), Canadian actor and comedian Paul O'Sullivan (horseman) (born 1959), New Zealand racehorse trainer Paul O'Sullivan (forensic investigator) (born 1955), Ireland and South African forensic investigator The Paul O'Sullivan Band, internationally-based pop/rock band
See also Paul Sullivan (disambiguation)