| Long snapper|
|Date of birth:June 12, 1977|
|Place of birth: Salt Lake City, Utah|
|Undrafted in 2000|
|No regular season or postseason appearances|
|* New York Giants ( 2000)*|
|Career highlights and awards|
|Stats at NFL.com|
Jon Brody Heffner-Liddiard (born June 12, 1977) is a former American football long snapper of the National Football League. He was signed by the New York Giants as an undrafted free agent in 2000. He played college football at Colorado.
Following the 2003 season, Liddiard had surgery to repair his injured shoulder. He spent the following pre-season competing with rookie Cullen Loeffler for long snapping duties. Liddiard was given his release on September 4, 2004.