Per Gustafsson or Per Gustavsson may refer to:

Per Gustafsson Banér (1588-1644), privy councillor of Sweden (AKA Per Gustafsson, 1861-1951), Swedish psychiatrist Per Gustafsson i Benestad (1880-1942), Swedish politician (born 1951), Swedish author (born 1962), Swedish illustrator and author Per M. Gustavsson (born 1965), researcher and advisor Per Gustafsson (born 1970), Swedish ice hockey player