John Hayden may refer to:

• John Patrick Hayden (1863-1954), Irish nationalist politician and MP
• John Hayden (Medal of Honor) (1863-?), American sailor and Medal of Honor recipient
• Jack Hayden (baseball) (1880-1942), American baseball player
• Mike Hayden (born 1944), American politician, Governor of Kansas, full name John Michael Hayden
• Jack Hayden (politician), Canadian politician
• John Michael Hayden (born 1984), American soccer player
• John Hayden (NASCAR)
• John Hayden (racehorse trainer)

[ Source: Wikipedia ]