The Toronto Raptors have blocked the most shots by a team in a game, with 23 blocks against the Hawks on March 23, 2001.

most blocks by a team in one game all-time

Interpreted as:

most blocks by a team in one regular-season game all-time

TEAM	BLK	DATE	TM		OPP	RESULT	MIN	PTS	REB	AST	STL	TOV	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	PF
Toronto Raptors	23	3/23/2001	TOR	vs	ATL	W 112-86	240	112	52	34	11	15	42	87	48.3	5	15	33.3	23	28	82.1	14
New Jersey Nets	22	12/12/1991	NJN	vs	DEN	W 121-81	240	121	57	29	11	11	54	104	51.9	4	10	40.0	9	16	56.3	20
Cleveland Cavaliers	21	1/7/1989	CLE	vs	NYK	W 104-96	240	104	50	27	5	24	40	80	50.0	2	5	40.0	22	34	64.7	14
Los Angeles Lakers	21	4/9/1982	LAL	vs	DEN	W 153-128	240	153	62	43	13	18	69	116	59.5	0	0		15	33	45.5	26
Detroit Pistons	21	1/19/1980	DET	vs	HOU	W 122-110	240	122	56	27	5		49	89	55.1	0	0		24	31	77.4	27
Los Angeles Lakers	20	1/5/2020	LAL	vs	DET	W 106-99	240	106	50	23	8	13	42	92	45.7	6	20	30.0	16	23	69.6	22
Toronto Raptors	20	11/7/2001	TOR	vs	GSW	W 109-92	240	109	60	33	9	13	41	95	43.2	10	21	47.6	17	24	70.8	29
San Antonio Spurs	20	11/26/1999	SAS	vs	CHI	W 101-78	240	101	44	19	5	12	38	74	51.4	5	12	41.7	20	27	74.1	24
Washington Bullets	20	2/26/1987	WAS	vs	IND	W 100-94	240	100	50	17	10	16	38	94	40.4	1	3	33.3	23	30	76.7	19
Houston Rockets	20	11/16/1984	HOU	@	DEN	L 102-119	240	102	46	22	10	24	41	95	43.2	0	2	0.0	20	26	76.9	32
Philadelphia 76ers	20	3/9/1984	PHI	vs	SEA	W 92-84	240	92	61	23	12	26	34	81	42.0	0	0		24	34	70.6	21
Detroit Pistons	20	11/3/1982	DET	vs	CHI	W 152-144	240	152	46	40	12	26	60	105	57.1	1	1	100.0	31	40	77.5	35
San Antonio Spurs	20	2/24/1981	SAS	vs	GSW	W 131-126	240	131	44	35	6	12	50	97	51.5	0	1	0.0	31	39	79.5	29
Houston Rockets	19	11/16/2022	HOU	@	DAL	W 101-92	240	101	56	21	1	20	35	75	46.7	10	22	45.5	21	24	87.5	19
Memphis Grizzlies	19	5/10/2021	MEM	vs	NOP	W 115-110	240	115	49	33	8	10	45	91	49.5	9	30	30.0	16	27	59.3	17
Memphis Grizzlies	19	11/25/2018	MEM	vs	NYK	L 98-103	240	98	41	27	5	7	38	86	44.2	11	30	36.7	11	19	57.9	23
Phoenix Suns	19	1/29/2008	PHX	vs	ATL	W 125-92	240	125	36	31	12	16	52	81	64.2	5	15	33.3	16	19	84.2	21
Los Angeles Clippers	19	11/5/1999	LAC	vs	PHI	W 91-81	240	91	52	16	5	29	30	69	43.5	4	8	50.0	27	31	87.1	26
Orlando Magic	19	11/20/1993	ORL	@	NJN	W 87-85	240	87	67	24	6	20	38	97	39.2	2	8	25.0	9	13	69.2	20
Utah Jazz	19	2/18/1989	UTA	vs	SAS	W 107-93	240	107	46	24	13	21	39	80	48.8	1	6	16.7	28	34	82.4	26
Denver Nuggets	19	11/24/1987	DEN	vs	NJN	W 132-104	240	132	49	37	18	19	54	105	51.4	1	4	25.0	23	30	76.7	27
Utah Jazz	19	11/17/1987	UTA	vs	DEN	W 120-110	240	120	60	35	6	16	52	103	50.5	2	4	50.0	14	23	60.9	29
Washington Bullets	19	1/7/1987	WAS	@	NJN	L 96-118	240	96	54	13	9	17	38	99	38.4	0	0		20	32	62.5	25
San Antonio Spurs	19	2/4/1985	SAS	vs	GSW	W 114-109	265	114	57	27	8	23	40	86	46.5	0	1	0.0	34	42	81.0	36
Houston Rockets	19	12/9/1983	HOU	@	CHI	W 115-112	265	115	51	31	7	27	47	86	54.7	1	2	50.0	20	29	69.0	37