Mark Eaton has blocked the most shots in a season, with 456 blocks in 1984-85.

	NAME	BLK	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	TOV	PF	+/-
1	Mark Eaton M. Eaton	456	1984-85	UTA	82	34.3	9.7	11.3	1.5	0.4	5.6	3.7	8.2	44.9	0.0	0.0		2.3	3.3	71.2	50.2	2.5	8.8	2.5	2,813	794	927	124	36	206	312
2	Manute Bol M. Bol	397	1985-86	WAS	80	26.1	3.7	6.0	0.3	0.4	5.0	1.6	3.5	46.0	0.0	0.0	0.0	0.5	1.1	48.8	47.2	1.5	4.4	0.8	2,090	298	477	23	28	65	255
3	Elmore Smith E. Smith	393	1973-74	LAL	81	36.1	12.5	11.2	1.9	0.9	4.9	5.4	11.7	45.7				1.8	3.1	59.0	47.9	2.5	8.7		2,922	1,015	906	150	71		309
4	Hakeem Olajuwon H. Olajuwon	376	1989-90	HOU	82	38.1	24.3	14.0	2.9	2.1	4.6	9.8	19.6	50.1	0.0	0.1	16.7	4.7	6.5	71.3	54.1	3.6	10.4	3.9	3,124	1,995	1,149	234	174	316	314
5	Mark Eaton M. Eaton	369	1985-86	UTA	80	31.9	8.5	8.4	1.3	0.4	4.6	3.5	7.4	47.0	0.0	0.0		1.5	2.5	60.4	49.9	2.2	6.3	2.0	2,551	676	675	101	33	157	282
6	Mark Eaton M. Eaton	351	1983-84	UTA	82	26.1	5.6	7.3	1.4	0.3	4.3	2.4	5.1	46.6	0.0	0.0	0.0	0.9	1.5	59.3	49.0	1.8	5.5	1.2	2,139	461	595	113	25	98	303
7	Manute Bol M. Bol	345	1988-89	GSW	80	22.1	3.9	5.8	0.3	0.1	4.3	1.6	4.3	36.9	0.3	1.1	22.0	0.5	0.8	60.6	42.1	1.5	4.3	1.0	1,769	314	462	27	11	79	226
8	Tree Rollins T. Rollins	343	1982-83	ATL	80	30.9	7.8	9.3	0.9	0.6	4.3	3.3	6.4	51.0	0.0	0.0	0.0	1.2	1.7	72.6	54.3	2.6	6.7	1.2	2,472	620	743	75	49	95	294
9	Hakeem Olajuwon H. Olajuwon	342	1992-93	HOU	82	39.5	26.1	13.0	3.5	1.8	4.2	10.3	19.5	52.9	0.0	0.1	0.0	5.4	7.0	77.9	57.7	3.5	9.6	3.2	3,242	2,140	1,068	291	150	262	305
10	Kareem Abdul-Jabbar K. Abdul-Jabbar	338	1975-76	LAL	82	41.2	27.7	16.9	5.0	1.5	4.1	11.1	21.1	52.9				5.5	7.8	70.3	56.7	3.3	13.5		3,379	2,275	1,383	413	119		292
11	Dikembe Mutombo D. Mutombo	336	1993-94	DEN	82	34.8	12.0	11.8	1.5	0.7	4.1	4.5	7.8	56.9	0.0	0.0	0.0	3.1	5.4	58.3	59.0	3.5	8.4	2.5	2,853	986	971	127	59	206	262
12	Dikembe Mutombo D. Mutombo	332	1995-96	DEN	74	36.7	11.0	11.8	1.5	0.5	4.5	3.8	7.7	49.9	0.0	0.0	0.0	3.3	4.8	69.5	56.2	3.4	8.4	2.0	2,713	814	871	108	38	150	258
13	Patrick Ewing P. Ewing	327	1989-90	NYK	82	38.6	28.6	10.9	2.2	1.0	4.0	11.2	20.4	55.1	0.0	0.0	25.0	6.1	7.9	77.5	59.9	2.9	8.0	3.4	3,165	2,347	893	182	78	278	325
14	Dikembe Mutombo D. Mutombo	321	1994-95	DEN	82	37.8	11.5	12.5	1.4	0.5	3.9	4.3	7.7	55.6	0.0	0.0		3.0	4.6	65.4	59.5	3.9	8.7	2.3	3,100	946	1,029	113	40	192	284
15	Mark Eaton M. Eaton	321	1986-87	UTA	79	31.7	7.7	8.8	1.3	0.5	4.1	3.0	7.4	40.0	0.0	0.0		1.8	2.7	65.7	44.8	2.7	6.2	1.8	2,505	608	697	105	43	142	273
16	David Robinson D. Robinson	320	1990-91	SAS	82	37.7	25.6	13.0	2.5	1.5	3.9	9.2	16.7	55.2	0.0	0.1	14.3	7.2	9.5	76.2	61.5	4.1	8.9	3.3	3,095	2,101	1,063	208	127	270	264
17	David Robinson D. Robinson	319	1989-90	SAS	82	36.6	24.3	12.0	2.0	1.7	3.9	8.4	15.9	53.1	0.0	0.0	0.0	7.5	10.2	73.2	59.7	3.7	8.3	3.1	3,002	1,993	983	164	138	257	259
18	Kareem Abdul-Jabbar K. Abdul-Jabbar	316	1978-79	LAL	80	39.5	23.8	12.8	5.4	1.0	4.0	9.7	16.8	57.7				4.4	5.9	73.6	61.2	2.6	10.2	3.5	3,157	1,903	1,025	431	76	282	230
19	Mark Eaton M. Eaton	315	1988-89	UTA	82	35.5	6.2	10.3	1.0	0.5	3.8	2.3	5.0	46.2	0.0	0.0		1.6	2.4	66.0	51.3	2.8	7.5	1.7	2,914	508	843	83	40	142	290
20	Theo Ratliff T. Ratliff	307	2003-04	TOT	85	31.3	7.9	7.2	0.8	0.6	3.6	3.1	6.5	48.5	0.0	0.0		1.6	2.6	64.5	52.1	2.3	4.9	1.4	2,664	672	614	71	54	120	300	-47
21	David Robinson D. Robinson	305	1991-92	SAS	68	37.7	23.2	12.2	2.7	2.3	4.5	8.7	15.8	55.1	0.0	0.1	12.5	5.8	8.3	70.1	59.7	3.8	8.4	2.7	2,564	1,578	829	181	158	182	219
22	Hakeem Olajuwon H. Olajuwon	304	1991-92	HOU	70	37.7	21.6	12.1	2.2	1.8	4.3	8.4	16.8	50.2	0.0	0.0	0.0	4.7	6.1	76.6	55.3	3.5	8.6	2.7	2,636	1,510	845	157	127	187	263
23	Mark Eaton M. Eaton	304	1987-88	UTA	82	33.3	7.0	8.7	0.7	0.5	3.7	2.8	6.6	41.8	0.0	0.0		1.5	2.3	62.3	45.7	2.8	5.9	1.6	2,731	571	717	55	41	131	320
24	Manute Bol M. Bol	302	1986-87	WAS	82	18.9	3.1	4.4	0.1	0.2	3.7	1.3	2.8	44.6	0.0	0.0	0.0	0.5	0.8	67.2	48.2	1.0	3.4	0.7	1,552	251	362	11	20	61	189
25	Hakeem Olajuwon H. Olajuwon	297	1993-94	HOU	80	41.0	27.3	11.9	3.6	1.6	3.7	11.2	21.2	52.8	0.1	0.2	42.1	4.9	6.8	71.6	56.5	2.9	9.1	3.4	3,277	2,184	955	287	128	271	289