The 1963 Green Bay Packers season was their 45th season overall and their 43rd season in the National Football League. The two-time defending NFL champions finished with an 11–2–1 record under fifth-year head coach Vince Lombardi for a second-place finish in the Western Conference, a half game back. In the third place Playoff Bowl in Miami three weeks later on January 5, the Packers overwhelmed the Cleveland Browns, 40–23. Green Bay led 28–10 at halftime and extended it to 38–10 in the fourth quarter.