Johnny Bower and Doug Harvey were tied for the oldest in 1966-67. They were 42 years old.

	NAME	AGE	SEASON	TM	GP	G	A	P	+/-	PIM	PPG	PPA	SHG	SHA	GWG	S	S%	TOI/GP
1	Johnny Bower J. Bower	42	1966-67	TOR	27	0	0	0		0								52:52
2	Doug Harvey D. Harvey	42	1966-67	DET	2	0	0	0	-1	0	0	0	0	0	0	0
3	Allan Stanley A. Stanley	40	1966-67	TOR	53	1	12	13	+7	20	0	0	0	0	0	36	2.8
4	Red Kelly R. Kelly	39	1966-67	TOR	61	14	24	38	0	4	2	8	0	0	0	132	10.6
5	Dick Gamble D. Gamble	38	1966-67	TOR	1	0	0	0	0	0	0	0	0	0	0	1	0.0
6	Gordie Howe G. Howe	38	1966-67	DET	69	25	40	65	-3	53	8	14	1	1	1	293	8.5
7	Tim Horton T. Horton	37	1966-67	TOR	70	8	17	25	-2	70	3	4	0	0	1	113	7.1
8	Terry Sawchuk T. Sawchuk	37	1966-67	TOR	28	0	0	0		2								50:19
9	Gump Worsley G. Worsley	37	1966-67	MTL	18	0	0	0		4								49:18
10	George Armstrong G. Armstrong	36	1966-67	TOR	70	9	24	33	-2	26	3	8	0	0	3	155	5.8
11	Marcel Pronovost M. Pronovost	36	1966-67	TOR	58	2	12	14	+23	28	0	0	0	1	0	41	4.9
12	Jean Beliveau J. Beliveau	35	1966-67	MTL	53	12	26	38	+3	22	2	13	0	0	0	166	7.2
13	Bernie Geoffrion B. Geoffrion	35	1966-67	NYR	58	17	25	42	-2	42	5	11	0	0	2	155	11.0
14	Warren Godfrey W. Godfrey	35	1966-67	DET	2	0	0	0	+1	0	0	0	0	0	0	0
15	Glenn Hall G. Hall	35	1966-67	CHI	32	0	0	0		10								52:01
16	Pierre Pilote P. Pilote	35	1966-67	CHI	70	6	46	52	+54	90	4	13	0	3	2	70	8.6
17	Hank Bassen H. Bassen	34	1966-67	DET	8	0	0	0		0								48:01
18	Andy Bathgate A. Bathgate	34	1966-67	DET	60	8	23	31	-15	24	0	11	0	0	1	157	5.1
19	Leo Boivin L. Boivin	34	1966-67	DET	69	4	17	21	-19	78	0	1	0	2	1	134	3.0
20	Alex Delvecchio A. Delvecchio	34	1966-67	DET	70	17	38	55	-18	10	4	17	1	0	2	225	7.6
21	Harry Howell H. Howell	34	1966-67	NYR	70	12	28	40	+4	54	2	12	0	0	0	200	6.0
22	Donnie Marshall D. Marshall	34	1966-67	NYR	70	24	22	46	+13	4	8	3	0	0	4	175	13.7
23	Dean Prentice D. Prentice	34	1966-67	DET	68	23	22	45	-12	18	5	4	1	0	1	166	13.9
24	Ken Schinkel K. Schinkel	34	1966-67	NYR	20	6	3	9	+1	0	0	0	2	0	2	40	15.0
25	Ron Stewart R. Stewart	34	1966-67	BOS	56	14	10	24	-14	31	5	1	0	0	1	113	12.4