Jo-Lonn D. Dunbar is an American former professional football player who was a linebacker for eight seasons in the National Football League (NFL). He was signed by the New Orleans Saints as an undrafted free agent in 2008. He has also played for the St. Louis Rams. He played college football at Boston College.

The 2008 season was the New Orleans Saints' 42nd in the National Football League (NFL), their 33rd playing home games at the Louisiana Superdome and their third under head coach Sean Payton. The Saints improved on their 7–9 record from the 2007 season with an 8-8 record, however, they would miss the playoffs for the second consecutive season. This was the only season under Drew Brees that they finished last in the division. Despite this, Brees became just the second quarterback to throw for over 5,000 passing yards and won the NFL Offensive Player of the Year Award.