1963–64 Tweede Divisie

The Dutch Tweede Divisie in the 1963–64 season was contested by 32 teams, divided in two groups. NEC won the championship after beating Alkmaar '54 in a play-off.

Two teams would be promoted: the winners of the championship play-off and the winners of the following promotion competition. None of the teams relegated to amateur football.

Group A
Entered from the B-group:
 * HVC
 * HFC Haarlem
 * RCH
 * HVV t' Gooi
 * FC Hilversum
 * HFC EDO
 * PEC

Group B
Relegated from the Eerste Divisie: Entered from the A-group:
 * Limburgia
 * Roda JC
 * AGOVV Apeldoorn
 * NEC
 * Vitesse Arnhem
 * FC Wageningen
 * De Graafschap

Play-offs
Several play-offs were held to determine the league champions, who would be promoted to the Eerste Divisie, and who would leave the Professional leagues altogether.

Championship play-off
NEC were promoted to the Eerste Divisie, while Alkmaar '54 entered the Promotion Tournament.

Group B 3rd-place play-off
Roda JC qualified for the Best 3rd Place play-off owing to a superior Goal Average in the "regular season".

Best 3rd-place play-off
Roda JC entered the promotion tournament.

Promotion tournament
To determine the second team to be promoted. Entering teams:
 * the two 2nd-placed from the "regular season",
 * the loser of the Championship play-off,
 * and the winner of the Best 3rd-place play-off.

Relegation play-off
However, as KFC & Be Quick 1887 both relegated themselves, LONGA retained their spot.