The 2011 Arkansas Razorbacks football team represents the University of Arkansas in the 2011 NCAA Division I FBS football season. The Razorbacks were led by fourth year head coach Bobby Petrino and played five home games at Donald W. Reynolds Razorback Stadium and two at War Memorial Stadium. They are a member of the Western Division of the Southeastern Conference. They finished the season with an 11–2 overall record, 6–2 in SEC West Division play, finishing in 3rd place with losses to LSU and Alabama, the two teams that played in the BCS National Championship Game. They were invited to the 2012 Cotton Bowl Classic and defeated Kansas State 29–16. The win capped off only the third 11-win season in Arkansas' 119-year football history. They also finished fifth in the final AP Poll—their highest national ranking since finishing third in 1977. Tyler Wilson became the first Arkansas QB to be voted 1st Team All-SEC. WR Jarius Wright and DE Jake Bequette were also named 1st Team All-SEC. WR Joe Adams was also placed on the 1st Team All-SEC squad, as well as being named a consensus 1st team All-American as a punt returner, and won the inaugural Jet Award given to the nation's best return specialist.

The 2011 NCAA Division I FBS football season was the highest level of college football competition in the United States organized by the National Collegiate Athletic Association (NCAA).