The Detroit Pistons have the lowest defensive rating by a team in the playoffs, with a 104.1 rating.

nba team defensive rating ranking playoffs

TEAM	DRTG	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	BLK	TOV	PF
Pistons	104.1	289	241.8	95.6	41.8	20.6	6.8	4.9	36.0	80.3	44.8	4.0	12.0	33.4	19.9	26.5	75.0	52.0	12.7	29.1	13.8	69,885	27,637	12,085	5,963	1,975	1,405	3,981	6,873
Wizards	104.2	184	242.4	100.8	44.3	20.8	7.2	5.3	38.9	86.6	44.9	5.3	16.2	32.7	20.1	27.3	73.6	51.1	13.3	31.0	15.7	44,610	18,551	8,150	3,835	1,323	977	2,885	4,375
Bulls	105.0	318	242.4	97.2	42.2	21.8	7.8	4.7	36.6	81.2	45.1	4.7	13.9	33.9	19.7	26.1	75.5	52.5	13.1	29.1	14.2	77,070	30,915	13,412	6,930	2,488	1,497	4,516	7,468
Spurs	105.3	403	241.7	99.8	42.7	21.6	7.2	5.4	37.5	81.2	46.2	5.6	15.5	36.4	19.4	26.3	73.6	53.8	11.5	31.2	14.1	97,395	40,210	17,192	8,724	2,901	2,196	5,696	8,967
Celtics	105.6	516	242.5	102.9	43.0	23.4	7.2	4.9	38.5	83.9	45.9	6.3	18.0	34.7	20.3	25.7	79.1	54.0	11.5	31.5	14.8	125,115	53,089	22,207	12,060	3,699	2,507	7,649	11,833
Heat	105.6	295	241.4	96.0	40.1	19.1	7.1	4.6	34.7	76.9	45.1	8.0	22.8	35.2	18.6	25.0	74.3	54.6	9.3	30.7	13.9	71,225	28,315	11,822	5,627	2,080	1,365	4,095	6,500
Knicks	105.7	253	241.7	94.2	40.9	20.2	7.4	4.2	35.4	79.3	44.6	5.0	14.7	34.3	18.9	25.3	74.8	52.1	12.2	28.6	15.3	61,145	23,842	10,344	5,105	1,880	1,059	3,870	6,196
Pacers	106.0	258	241.5	94.8	40.6	20.3	6.9	4.6	34.2	76.8	44.5	6.5	18.2	35.8	19.8	26.0	76.4	53.7	10.9	29.8	14.6	62,295	24,457	10,483	5,226	1,791	1,182	3,776	6,081
Kings	106.1	115	242.4	98.5	43.3	20.8	8.3	4.2	36.7	84.1	43.7	5.0	15.6	32.4	20.5	27.2	75.4	51.3	13.1	30.1	15.3	27,875	11,329	4,976	2,389	949	485	1,760	2,731
76ers	106.3	325	241.2	102.1	43.1	22.6	8.1	5.8	38.3	83.1	46.1	4.3	12.7	33.5	21.7	28.6	76.0	53.4	12.7	30.3	15.6	78,400	33,190	13,994	7,343	2,623	1,893	5,069	7,527
Nets	106.3	171	242.5	97.5	41.6	21.4	7.6	4.5	35.9	81.4	44.1	6.1	18.2	33.2	19.7	26.4	74.7	52.4	11.6	30.0	14.7	41,465	16,674	7,115	3,663	1,303	772	2,514	4,123
Cavaliers	106.5	246	241.4	98.3	41.6	20.7	6.9	4.9	36.1	79.8	45.3	7.4	21.1	35.3	19.2	25.6	74.9	54.0	11.1	30.5	13.8	59,390	24,191	10,225	5,085	1,698	1,194	3,383	5,215
Warriors	106.6	244	241.5	109.5	44.3	24.9	8.6	5.6	41.1	87.8	46.8	10.7	28.8	36.9	18.4	24.1	76.4	55.6	11.9	32.4	15.1	58,935	26,706	10,815	6,078	2,100	1,364	3,696	5,821
Hornets	106.9	63	243.6	92.9	40.4	20.1	7.5	4.6	34.2	78.2	43.7	4.4	13.3	33.0	20.1	26.8	75.0	51.6	11.7	28.7	14.0	15,345	5,853	2,545	1,266	471	292	880	1,407
Thunder	107.2	341	242.2	101.6	43.6	20.9	7.8	5.4	37.9	83.8	45.2	5.9	17.4	33.9	20.8	27.0	76.9	53.1	13.2	30.3	15.0	82,590	34,638	14,852	7,117	2,649	1,857	5,112	8,250
Lakers	107.3	512	241.3	104.7	43.0	24.0	7.7	5.7	39.7	83.2	47.7	4.8	14.3	33.8	20.7	28.2	73.5	54.7	12.5	30.5	14.6	123,555	53,594	22,034	12,279	3,947	2,936	7,489	11,862
Magic	107.8	140	241.6	95.9	40.2	19.2	6.6	4.7	34.4	76.8	44.8	8.1	23.2	34.8	19.0	26.9	70.5	54.1	10.8	29.4	14.1	33,825	13,420	5,633	2,685	920	655	1,972	3,145
Bucks	107.9	271	242.4	103.8	43.1	23.2	7.5	5.0	39.5	84.7	46.6	6.1	18.0	33.8	19.5	25.9	75.1	54.0	11.9	31.2	15.0	65,690	28,143	11,684	6,288	2,041	1,350	4,066	6,519
Rockets	107.9	316	241.6	101.9	42.7	22.1	7.7	5.3	37.8	83.3	45.4	7.0	20.3	34.3	19.7	26.5	74.5	53.6	12.2	30.6	14.8	76,340	32,196	13,501	6,974	2,448	1,676	4,686	7,182
Raptors	108.2	123	242.0	98.9	40.7	20.5	7.3	4.5	35.9	81.9	43.9	8.7	25.7	34.0	18.3	23.2	78.9	53.7	9.5	31.2	13.0	29,770	12,164	5,007	2,516	904	555	1,602	2,770
Hawks	108.6	237	241.3	95.6	40.7	20.4	6.9	4.9	35.4	80.8	43.8	5.9	18.0	32.9	19.2	25.0	76.5	52.1	11.7	29.0	13.9	57,180	22,651	9,644	4,831	1,646	1,150	3,284	5,373
Jazz	108.6	292	241.4	99.1	41.8	22.6	7.1	5.1	36.2	79.5	45.6	5.1	14.2	35.8	21.5	28.3	76.0	53.9	11.7	30.1	14.3	70,480	28,928	12,213	6,594	2,082	1,476	4,166	7,089
Suns	109.3	317	242.1	105.9	42.1	23.6	7.4	5.2	40.1	85.3	47.0	5.9	16.3	36.0	20.6	26.6	77.2	54.6	11.8	30.3	14.6	76,730	33,582	13,337	7,494	2,347	1,644	4,614	7,393
Trail Blazers	109.5	274	242.7	102.6	42.6	21.9	7.6	4.7	38.2	84.4	45.3	5.5	15.7	35.1	21.2	28.2	75.1	53.0	12.9	29.7	14.9	66,510	28,112	11,670	6,007	2,079	1,298	4,086	6,869
Grizzlies	109.6	98	244.1	97.9	41.9	19.9	7.7	4.5	36.1	83.9	43.0	6.6	19.7	33.3	19.2	25.1	76.4	51.6	11.6	30.3	12.6	23,920	9,598	4,107	1,954	753	441	1,230	2,163