Gregory Campbell

Gregory Campbell or Greg Campbell may refer to:


 * Gregory Campbell (politician) (born 1953), Northern Ireland politician
 * Gregory Campbell (ice hockey) (born 1983), Canadian ice hockey player
 * Greg Campbell (cricketer) (born 1964), Australian cricketer
 * Greg Campbell (author) (born 1970), American non-fiction author
 * Greg Campbell (footballer) (born 1965), English former footballer