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