John Patrick "Jack" Perconte (born August 31, 1954) is an American former professional baseball second baseman.

[1] In addition to his MLB career, Perconte has authored five books - “365 Peak Sports Mentality Quotes,” “The Success Trail: Learn to Win with a Marathon Runner’s Mindset” "Creating a Season to Remember: The New Youth Sports Coaching Leadership Handbook", The Making of a Hitter - A Proven and Practical Step-by-Step Baseball Guide", and "Raising an Athlete- How to Instill Confidence, Build Skills and Inspire a Love of Sport".

Jack turned to writing to further help athletes and parents have enjoyable baseball and sports’ experiences.

A native of the Chicago area, as of 2019 Perconte lives in the nearby suburb of Lisle, Illinois.

His uncle, Frank Perconte, was a soldier of Easy Company, 506th Parachute Infantry Regiment, 101st Airborne Division during the Second World War, and is portrayed in Band of Brothers.