Shaquille O'Neal has blocked the most shots by a player younger than 23 in a game, with 15 blocks against the New Jersey Nets on November 20, 1993.

Interpreted as:

most blocks in a regular-season game before turning 23 years old by a player

	NAME	BLK	AGE	DATE	TM		OPP	MIN	PTS	REB	AST	STL	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Shaquille O'Neal S. O'Neal	15	21-259	11/20/1993	ORL	@	NJN	36	24	28	3	1	12	19	63.2	0	0		0	1	0.0	61.7	10	18	3	4
2	Serge Ibaka S. Ibaka	11	22-154	2/19/2012	OKC	vs	DEN	41	14	15	0	1	6	7	85.7	0	0		2	4	50.0	79.9	8	7	1	4	+31
3	Hakeem Olajuwon H. Olajuwon	11	22-351	1/7/1986	HOU	vs	GSW	40	26	12	7	2	11	18	61.1	0	0		4	6	66.7	63.0	5	7	3	4
4	Victor Wembanyama V. Wembanyama	10	20-352	12/21/2024	SAS	vs	POR	30	30	7	3	0	8	16	50.0	4	8	50.0	10	11	90.9	72.0	3	4	1	0	+23
5	Victor Wembanyama V. Wembanyama	10	20-039	2/12/2024	SAS	@	TOR	29	27	14	5	2	10	14	71.4	2	4	50.0	5	6	83.3	81.1	2	12	7	2	+20
6	Serge Ibaka S. Ibaka	10	22-144	2/9/2012	OKC	@	SAC	30	6	9	0	0	2	5	40.0	0	0		2	2	100.0	51.0	2	7	1	6	-4
7	Serge Ibaka S. Ibaka	10	22-136	2/1/2012	OKC	@	DAL	40	4	11	1	1	2	8	25.0	0	0		0	0		25.0	6	5	1	4	+12
8	Dwight Howard D. Howard	10	22-340	11/12/2008	ORL	@	OKC	38	30	19	3	0	12	21	57.1	0	0		6	13	46.2	56.1	5	14	1	3	+16
9	Josh Smith J. Smith	10	19-013	12/18/2004	ATL	@	DAL	34	9	7	4	0	4	11	36.4	0	0		1	2	50.0	37.9	2	5	3	0	-9
10	Amar'e Stoudemire A. Stoudemire	10	21-083	2/7/2004	PHX	vs	UTA	39	20	6	1	4	8	14	57.1	0	0		4	5	80.0	61.7	2	4	4	3	-13
11	Shawn Kemp S. Kemp	10	21-053	1/18/1991	SEA	@	LAL	40	20	8	3	0	9	21	42.9	0	1	0.0	2	6	33.3	42.3	3	5	1	5
12	Victor Wembanyama V. Wembanyama	9	20-305	11/4/2024	SAS	@	LAC	34	24	13	3	3	9	22	40.9	2	9	22.2	4	4	100.0	50.5	2	11	2	3	-21
13	Victor Wembanyama V. Wembanyama	9	20-089	4/2/2024	SAS	@	DEN	34	23	15	8	1	9	29	31.0	2	11	18.2	3	6	50.0	36.3	5	10	2	3	-9
14	Mitchell Robinson M. Robinson	9	20-224	11/11/2018	NYK	vs	ORL	22	4	4	0	0	2	3	66.7	0	0		0	0		66.7	0	4	0	2	-7
15	Anthony Davis A. Davis	9	22-265	12/1/2015	NOP	vs	MEM	41	17	14	2	2	4	15	26.7	1	1	100.0	8	13	61.5	41.0	3	11	1	1	-1
16	Anthony Davis A. Davis	9	22-004	3/15/2015	NOP	vs	DEN	50	36	14	7	1	16	28	57.1	0	1	0.0	4	6	66.7	58.7	2	12	2	1	-6
17	Nerlens Noel N. Noel	9	20-316	2/20/2015	PHI	vs	IND	33	12	9	0	4	5	9	55.6	0	0		2	4	50.0	55.8	5	4	1	3	-3
18	Anthony Davis A. Davis	9	21-231	10/28/2014	NOP	vs	ORL	36	26	17	2	3	10	22	45.5	0	0		6	9	66.7	50.1	9	8	0	1	+19
19	Anthony Davis A. Davis	9	20-250	11/16/2013	NOP	vs	PHI	29	13	9	1	2	5	10	50.0	0	0		3	5	60.0	53.3	1	8	1	2	+31
20	Josh Smith J. Smith	9	22-061	2/4/2008	ATL	vs	PHI	40	19	6	9	4	7	13	53.8	0	1	0.0	5	7	71.4	59.1	1	5	5	3	+12
21	Samuel Dalembert S. Dalembert	9	22-329	4/3/2004	PHI	vs	NYK	47	13	14	0	1	6	9	66.7	0	0		1	2	50.0	65.8	2	12	3	1	-10
22	Lamar Odom L. Odom	9	21-047	12/23/2000	LAC	vs	VAN	38	14	6	3	3	5	13	38.5	2	4	50.0	2	2	100.0	50.4	1	5	2	3	+10
23	Michael Stewart M. Stewart	9	22-256	1/6/1998	SAC	vs	LAC	29	7	14	2	0	3	10	30.0	0	0		1	2	50.0	32.2	5	9	2	3	+23
24	Marcus Camby M. Camby	9	22-316	2/1/1997	TOR	vs	PHX	36	17	8	2	1	6	15	40.0	0	2	0.0	5	7	71.4	47.0	2	6	3	3	+28
25	Shawn Bradley S. Bradley	9	22-241	11/18/1994	PHI	vs	LAC	41	28	22	1	1	12	20	60.0	0	0		4	8	50.0	59.5	9	13	2	5