John Hynes

Jack or John Hynes may refer to:

• Jack Hynes (1920 – 2013), Scottish-born American soccer forward
• John Hynes (footballer) (born 1979), former Australian rules football player
• John Hynes (ice hockey), ice hockey coach
• John Hynes (politician) (1897 – 1970), Massachusetts politician
  • Hynes Convention Center, the John B. Hynes Veterans Memorial Convention Center located in Boston, Massachusetts