The 2013 season was the Jacksonville Jaguars' 19th in the National Football League (NFL), their first under general manager David Caldwell and their first under head coach Gus Bradley.

Although they started 0–8 and missed the playoffs, the Jaguars improved upon their then-franchise-worst 2–14 record from 2012.

The Jaguars also gained a close non-divisional victory over the Browns to finish the year at 4–12.

Notes: The following is a list of notable rookie free agents signed after the 2013 NFL draft: Front office Head coaches Offensive coaches Special teams coaches Strength and conditioning

Running backs (RB) Wide receivers (WR) Tight ends (TE) Defensive linemen (DL) Defensive backs (DB) Special teams Reserve Note: Intra-division opponents are in bold text.