Jack Miller may refer to:

Jack Miller is an American football player from Scottsdale, Arizona who plays as a quarterback. He committed to play for the Ohio State Buckeyes football team.

C. John Miller (1928–1996), usually known as Jack Miller, was an American Presbyterian pastor. He served as pastor of New Life Presbyterian Church in Jenkintown, Pennsylvania, and taught practical theology at Westminster Theological Seminary.

Thomas John "Jack" Miller (11 March 1875 – 1949) was an English footballer, who played for Wolverhampton Wanderers and Stoke.

Jack Miller (2 April 1920 – 4 December 1942) was a United States Marine Corps officer who was posthumously awarded the Navy Cross for his heroic actions as one of Carlson's Raiders during the Battle of Guadalcanal in World War II.

John 'Jack' Miller (born March 20, 1965) is an American former alpine skier who competed in the 1988 Winter Olympics. He was born in Boulder, Colorado and in no relation to the more famous alpine skier and former FIS World Cup champion Bode Miller.

Jack Miller (10 August 1906 – October 1978) also known by the nickname of "Cod ", due to his profession as a Fishmonger, was an English professional rugby league footballer who played in the 1920s, 1930s and 1940s. He played at representative level for Great Britain and England, and at club level for Warrington, Huddersfield (World War II guest ) and Leigh, as a prop, or second-row. Over his 20-year career he made 526 appearances for Warrington, a club record which was broken in 1959 by Brian Bevan.

Jack Miller is a Canadian sportscaster and politician born and raised in Cornwall, Ontario.