The San Jose Sharks have lost the most games by a team in a season, with 71 losses in 1992-93.

which team has the most losses in a season

TEAM	L	SEASON	GP	W	T	OTL	PTS	PTS%	G	GA	PP%	PK%	S/GP	SA/GP
San Jose Sharks	71	1992-93	84	11	2		24	.143	218	414	16.1	76.6	28.38	36.67
Ottawa Senators	70	1992-93	84	10	4		24	.143	202	395	14.7	75.0	27.15	31.83
Washington Capitals	67	1974-75	80	8	5		21	.131	181	446			23.06	38.30
Ottawa Senators	61	1993-94	84	14	9		37	.220	201	397	14.5	73.3	25.58	33.05
Quebec Nordiques	61	1989-90	80	12	7		31	.194	240	407	18.9	74.3	28.76	34.42
New York Islanders	60	1972-73	78	12	6		30	.192	170	347			25.03	34.55
Ottawa Senators	59	1995-96	82	18	5		41	.250	191	291	12.3	77.9	26.88	30.54
Washington Capitals	59	1975-76	80	11	10		32	.200	224	394			24.41	36.94
San Jose Sharks	58	1991-92	80	17	5		39	.244	219	359	17.1	78.1	29.25	36.25
Pittsburgh Penguins	58	1983-84	80	16	6		38	.238	254	390	20.9	76.0	28.34	36.35
Atlanta Thrashers	57	1999-00	82	14	7	4	39	.238	170	313	12.6	80.3	25.79	31.01
Detroit Red Wings	57	1985-86	80	17	6		40	.250	266	415	20.9	71.0	28.50	32.85
Winnipeg Jets	57	1980-81	80	9	14		32	.200	246	400	17.3	74.2	28.28	34.90
Colorado Avalanche	56	2016-17	82	22		4	48	.293	165	276	12.6	76.6	28.09	31.74
New Jersey Devils	56	1983-84	80	17	7		41	.256	231	350	14.3	75.3	26.39	32.00
Kansas City Scouts	56	1975-76	80	12	12		36	.225	190	351			27.40	36.17
Tampa Bay Lightning	55	1997-98	82	17	10		44	.268	151	269	9.3	82.4	25.61	28.99
San Jose Sharks	55	1995-96	82	20	7		47	.287	252	357	16.1	76.6	26.13	33.12
Detroit Red Wings	55	1976-77	80	16	9		41	.256	183	309			27.48	29.06
California Golden Seals	55	1973-74	78	13	10		36	.231	195	342			25.55	34.62
San Jose Sharks	54	2023-24	82	19		9	47	.287	180	326	20.2	75.4	25.23	35.13
Tampa Bay Lightning	54	1998-99	82	19	9		47	.287	179	292	13.9	82.4	25.98	32.11
Tampa Bay Lightning	54	1992-93	84	23	7		53	.315	245	332	17.5	74.4	30.23	30.40
Hartford Whalers	54	1982-83	80	19	7		45	.281	261	403	19.0	75.4	28.58	35.89
Kansas City Scouts	54	1974-75	80	15	11		41	.256	184	328			27.79	35.06