The Washington Bullets have averaged the most blocks per game by a team in a season with 8.7 per game in 1985-86.

most blocks per game by a team in nba history in a season

TEAM	BPG	SEASON	GP	MPG	PPG	RPG	APG	SPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF
Washington Bullets	8.7	1985-86	82	242.1	103.0	42.7	21.3	7.6	16.4	40.4	87.2	46.3	1.4	5.0	28.4	20.8	27.9	74.5	19,855	8,442	3,498	1,748	626	716	1,346	1,796
Utah Jazz	8.5	1984-85	82	240.9	109.0	44.3	26.1	8.7	19.2	42.4	89.0	47.6	1.3	3.7	33.6	22.9	29.7	77.2	19,755	8,937	3,635	2,143	712	697	1,575	1,961
Denver Nuggets	8.4	1993-94	82	240.9	100.3	44.7	21.5	8.3	17.3	38.5	82.7	46.5	2.1	7.3	28.5	21.2	29.5	71.8	19,755	8,221	3,662	1,763	679	686	1,422	1,926
Washington Bullets	8.4	1986-87	82	240.3	106.0	44.1	21.3	9.2	15.9	40.9	90.2	45.4	0.5	2.7	19.7	23.6	30.9	76.5	19,705	8,690	3,620	1,750	755	685	1,301	1,775
Oklahoma City Thunder	8.2	2011-12	66	242.3	103.1	43.7	18.5	7.5	16.3	37.3	79.2	47.1	7.2	20.0	35.8	21.3	26.4	80.6	15,990	6,802	2,883	1,224	498	539	1,079	1,352
Utah Jazz	8.1	1985-86	82	241.2	108.2	43.3	26.8	8.7	18.5	42.1	86.4	48.8	0.4	2.1	20.7	23.5	32.9	71.6	19,780	8,871	3,547	2,199	717	666	1,518	2,038
Atlanta Hawks	8.1	1982-83	82	241.2	101.6	43.6	23.7	7.0	17.4	40.9	87.1	46.9	0.5	2.3	23.9	19.3	25.7	75.1	19,780	8,335	3,572	1,945	573	665	1,424	2,022
Toronto Raptors	8.1	1997-98	82	243.0	94.9	40.7	21.3	9.4	16.7	36.2	83.1	43.5	4.5	13.2	34.3	18.0	25.1	71.8	19,930	7,781	3,336	1,746	769	663	1,371	1,851
Philadelphia 76ers	8.0	1983-84	82	243.4	107.8	43.5	24.8	9.8	19.9	41.3	83.3	49.5	0.4	1.3	27.1	24.9	33.0	75.4	19,955	8,838	3,563	2,032	807	653	1,628	2,040
Los Angeles Lakers	8.0	1973-74	82	240.9	109.2	52.9	26.6	9.7	23.3	43.1	95.2	45.3				22.9	29.8	76.9	19,755	8,951	4,335	2,179	794	653	1,913	2,032
Philadelphia 76ers	8.0	1979-80	82	242.1	109.1	46.6	27.1	9.7	20.8	43.0	87.3	49.2	0.3	1.5	21.6	22.9	29.6	77.2	19,855	8,949	3,822	2,226	792	652	1,708	1,860
Golden State Warriors	7.8	1988-89	82	242.7	116.6	47.4	24.5	10.1	18.1	45.5	97.3	46.8	2.4	7.7	30.8	23.2	29.1	79.9	19,905	9,558	3,884	2,009	831	643	1,488	1,946
San Antonio Spurs	7.8	1980-81	82	241.5	112.3	47.4	25.0	8.4	18.7	43.5	88.7	49.1	0.2	1.0	17.6	25.0	32.5	76.9	19,805	9,209	3,886	2,048	685	643	1,533	2,114
New Jersey Nets	7.7	1977-78	82	242.7	106.7	47.6	22.9	10.5	21.6	43.3	97.6	44.3				20.1	28.1	71.7	19,905	8,746	3,901	1,879	857	631	1,774	2,312
Utah Jazz	7.7	1986-87	82	240.9	107.9	44.5	27.3	10.2	17.1	42.5	91.6	46.4	1.7	5.5	31.0	21.2	29.1	72.6	19,755	8,844	3,650	2,240	835	628	1,403	2,040
Utah Jazz	7.6	1987-88	82	240.3	108.5	44.1	29.4	9.4	18.1	42.5	86.5	49.1	1.6	4.9	31.9	22.0	29.3	75.0	19,705	8,899	3,619	2,407	771	627	1,481	1,986
Oklahoma City Thunder	7.6	2012-13	82	241.8	105.7	43.6	21.4	8.3	15.3	38.1	79.3	48.1	7.3	19.4	37.7	22.2	26.8	82.8	19,830	8,669	3,579	1,753	679	624	1,253	1,654
Philadelphia 76ers	7.6	1981-82	82	242.1	111.2	41.7	27.6	10.4	18.0	44.1	85.0	51.8	0.5	1.7	29.5	22.5	30.1	74.7	19,855	9,119	3,420	2,264	856	622	1,474	2,183
Cleveland Cavaliers	7.6	1991-92	82	241.5	108.9	42.6	27.6	7.5	13.1	41.8	85.7	48.8	3.1	8.6	35.7	22.2	27.5	80.5	19,805	8,926	3,491	2,260	616	621	1,073	1,556
New Jersey Nets	7.5	1978-79	82	240.9	107.7	44.0	23.3	10.4	22.7	42.2	91.7	46.0				23.2	31.9	72.9	19,755	8,832	3,611	1,907	853	619	1,861	2,329
Denver Nuggets	7.5	1999-00	82	242.1	99.0	44.7	23.3	6.8	15.6	37.3	84.3	44.2	5.7	17.0	33.6	18.7	25.8	72.4	19,855	8,115	3,663	1,911	554	618	1,281	1,962
Sacramento Kings	7.5	1991-92	82	241.8	104.3	41.6	23.9	8.9	16.6	40.8	87.7	46.6	2.9	8.2	35.3	19.7	26.4	74.7	19,830	8,549	3,408	1,957	727	618	1,360	1,763
New Jersey Nets	7.5	1991-92	82	241.2	105.4	47.6	23.6	9.0	17.0	42.4	92.4	45.8	2.7	8.2	33.4	17.9	24.5	73.2	19,780	8,641	3,904	1,937	736	615	1,392	1,834
Golden State Warriors	7.5	2017-18	82	240.6	113.5	43.5	29.3	8.0	15.4	42.8	85.1	50.3	11.3	28.9	39.1	16.6	20.3	81.5	19,730	9,304	3,568	2,402	656	612	1,265	1,607
San Antonio Spurs	7.4	1991-92	82	241.2	104.0	46.1	24.5	8.9	16.0	41.2	86.5	47.6	1.4	4.9	29.2	20.1	27.4	73.6	19,780	8,524	3,781	2,010	729	608	1,308	1,799