Jack McCullough

Jack McCullough may refer to:


 * Jack McCullough (politician) (1860–1947), New Zealand trade unionist and politician
 * Jack McCullough, formerly convicted of the murder of Maria Ridulph, but conviction was later overturned
 * Jack McCullough (cyclist) (born 1949), Canadian cyclist
 * Jack McCullough (rugby league) (1921–2005), Australian rugby player