The 1959 National Football League Championship Game was the 27th NFL championship game, played on December 27 at Memorial Stadium in Baltimore, Maryland.

It was a rematch of the 1958 championship game that went into overtime. The defending champion Baltimore Colts (9–3) again won the Western Conference, while the New York Giants (10–2) repeated as Eastern Conference champions. The Colts were favored to repeat as champions by 3½ points.

This game also went down to the last quarter, but the Colts did not need any heroics in overtime. Trailing 9-7 at the start of the fourth quarter, Baltimore scored 24 straight points and won, 31–16.

This was the only NFL championship game played in Baltimore.