Paul Kavanagh or Cavana(u)gh may refer to:

• Paul Kavanagh (politician) (died 2022), Irish businessman and politician
• Paul Kavanagh (visual effects artist), British visual effects artist
• Paul Kavanagh (criminal) (died 2015), Irish criminal who was shot dead
• Lawrence Block (born 1938), author who occasionally used the pen name Paul Kavanagh
• Paul Cavanagh (1888–1964), English actor
• Paul Cavanaugh, ice hockey player in 1999 Metro Atlantic Athletic Conference Men's Ice Hockey Tournament