Larry Costello and Cliff Hagan were tied for the oldest in 1964-65. They were 33 years old.

	NAME	AGE	SEASON	TM	GP	MPG	PPG	RPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	PTS	REB	AST	PF
1	Larry Costello L. Costello	33	1964-65	PHI	64	30.7	13.5	2.6	4.3	4.8	10.9	44.5	3.8	4.3	87.7	52.7	1,967	861	169	275	242
2	Cliff Hagan C. Hagan	33	1964-65	STL	77	22.6	13.0	3.6	1.8	5.1	11.7	43.6	2.8	3.5	79.9	49.1	1,739	1,000	276	136	182
3	Al Bianchi A. Bianchi	32	1964-65	PHI	60	18.6	6.7	1.6	2.3	2.9	8.1	36.0	0.9	1.3	71.1	38.9	1,116	404	95	140	178
4	Tom Gola T. Gola	32	1964-65	NYK	77	22.4	7.0	4.1	2.9	2.6	5.9	44.8	1.7	2.3	73.9	50.6	1,727	541	319	220	269
5	Richie Guerin R. Guerin	32	1964-65	STL	57	29.4	14.4	2.6	4.8	5.2	11.6	44.6	4.1	5.3	76.7	51.7	1,678	821	149	271	193
6	K.C. Jones	32	1964-65	BOS	78	31.2	8.3	4.1	5.6	3.2	8.2	39.6	1.8	2.9	63.0	43.9	2,434	649	318	437	263
7	Johnny Kerr J. Kerr	32	1964-65	PHI	80	22.6	8.2	6.9	2.5	3.3	8.9	37.0	1.6	2.3	69.6	41.2	1,810	654	551	197	132
8	Bob Pettit B. Pettit	32	1964-65	STL	50	35.1	22.5	12.4	2.6	7.9	18.5	42.9	6.6	8.1	82.0	51.0	1,754	1,124	621	128	167
9	Bucky Bockhorn B. Bockhorn	31	1964-65	CIN	19	22.3	7.8	2.9	2.4	3.2	8.3	38.2	1.5	2.1	71.8	42.5	424	148	55	45	52
10	Johnny Green J. Green	31	1964-65	NYK	78	22.1	11.0	7.0	1.7	4.4	9.4	46.9	2.1	3.9	54.8	49.3	1,720	857	545	129	194
11	Si Green S. Green	31	1964-65	BAL	70	15.5	5.8	2.4	2.0	2.2	5.3	41.3	1.4	2.3	62.7	46.1	1,086	405	169	140	134
12	Sam Jones S. Jones	31	1964-65	BOS	80	36.1	25.9	5.1	2.8	10.3	22.7	45.2	5.4	6.5	82.0	50.5	2,885	2,070	411	223	176
13	Elgin Baylor E. Baylor	30	1964-65	LAL	74	41.3	27.1	12.8	3.8	10.3	25.7	40.1	6.5	8.2	79.2	46.3	3,056	2,009	950	280	235
14	Tom Heinsohn T. Heinsohn	30	1964-65	BOS	67	25.5	13.6	6.0	2.3	5.4	14.2	38.3	2.7	3.4	79.5	43.2	1,706	912	399	157	252
15	Willie Naulls W. Naulls	30	1964-65	BOS	71	20.6	10.5	4.7	1.0	4.3	11.1	38.4	2.0	2.5	81.3	43.3	1,465	747	336	72	225
16	Bill Russell B. Russell	30	1964-65	BOS	78	44.4	14.1	24.1	5.3	5.5	12.6	43.8	3.1	5.5	57.3	47.2	3,466	1,102	1,878	410	204
17	Jack Twyman J. Twyman	30	1964-65	CIN	80	28.0	14.5	4.8	1.7	6.0	13.5	44.3	2.5	3.0	82.8	48.7	2,236	1,156	383	137	239
18	Guy Rodgers G. Rodgers	29	1964-65	SFW	79	34.2	14.6	4.1	7.2	5.9	15.5	38.0	2.8	4.1	68.6	42.1	2,699	1,153	323	565	256
19	Al Attles A. Attles	28	1964-65	SFW	73	23.7	9.3	3.3	2.8	3.5	9.1	38.4	2.3	3.8	62.4	43.4	1,733	679	239	205	242
20	Dick Barnett D. Barnett	28	1964-65	LAL	74	27.4	13.8	2.7	2.1	5.1	12.3	41.3	3.6	4.6	79.9	48.3	2,026	1,020	200	159	209
21	Donnie Butcher D. Butcher	28	1964-65	DET	71	16.3	5.8	2.8	1.7	2.0	5.0	40.5	1.8	2.9	61.8	46.5	1,157	412	200	122	183
22	Wilt Chamberlain W. Chamberlain	28	1964-65	TOT	73	45.2	34.7	22.9	3.4	14.6	28.5	51.0	5.6	12.1	46.4	51.3	3,301	2,534	1,673	250	146
23	Connie Dierking C. Dierking	28	1964-65	TOT	68	19.0	7.9	6.4	1.1	3.2	7.9	40.5	1.5	2.5	59.5	43.8	1,294	536	435	72	165
24	Mike Farmer M. Farmer	28	1964-65	STL	60	21.2	6.8	4.3	1.5	2.8	6.8	40.9	1.3	1.6	79.8	45.5	1,272	409	258	88	123
25	Hal Greer H. Greer	28	1964-65	PHI	70	37.1	20.2	5.1	4.5	7.7	17.8	43.3	4.8	5.9	81.1	49.5	2,600	1,413	355	313	254