The Florida Panthers lost in the 2023 Stanley Cup Final against the Vegas Golden Knights, 4 games to 1.

which teams have never lost the stanley cup

Interpreted as:

Which teams have never lost the last stanley cup?

TEAM	SEASON	SERIES	GP	W	L	T	OTL	PTS	PTS%	G	GA	PP%	PK%	S/GP	SA/GP
Florida Panthers	2022-23	Stanley Cup Finals	5	1	4	0	0	2	.200	12	26	0.0	68.4	31.00	30.40
Tampa Bay Lightning	2021-22	Stanley Cup Finals	6	2	4	0	0	4	.333	15	20	10.5	62.5	27.17	35.17
Montreal Canadiens	2020-21	Stanley Cup Finals	5	1	4	0	0	2	.200	8	17	10.0	86.7	28.00	28.80
Dallas Stars	2019-20	Stanley Cup Finals	6	2	4	0	0	4	.333	15	18	5.3	63.2	26.33	34.00
Boston Bruins	2018-19	Stanley Cup Finals	7	3	4	0	0	6	.429	22	18	29.2	94.4	30.29	27.71
Vegas Golden Knights	2017-18	Stanley Cup Finals	5	1	4	0	0	2	.200	14	20	21.4	68.8	31.20	27.20
Nashville Predators	2016-17	Stanley Cup Finals	6	2	4	0	0	4	.333	13	19	22.2	90.9	29.00	24.00
San Jose Sharks	2015-16	Stanley Cup Finals	6	2	4	0	0	4	.333	12	15	8.3	76.9	23.17	34.33
Tampa Bay Lightning	2014-15	Stanley Cup Finals	6	2	4	0	0	4	.333	10	13	7.7	87.5	26.83	28.00
New York Rangers	2013-14	Stanley Cup Finals	5	1	4	0	0	2	.200	10	15	9.1	83.3	29.20	38.80
Boston Bruins	2012-13	Stanley Cup Finals	6	2	4	0	0	4	.333	15	17	22.2	94.7	33.33	39.17
New Jersey Devils	2011-12	Stanley Cup Finals	6	2	4	0	0	4	.333	8	16	5.3	70.0	22.17	25.17
Vancouver Canucks	2010-11	Stanley Cup Finals	7	3	4	0	0	6	.429	8	23	6.1	81.5	35.14	32.14
Philadelphia Flyers	2009-10	Stanley Cup Finals	6	2	4	0	0	4	.333	22	25	26.1	77.8	29.83	31.33
Detroit Red Wings	2008-09	Stanley Cup Finals	7	3	4	0	0	6	.429	17	14	17.4	71.4	29.00	26.71
Pittsburgh Penguins	2007-08	Stanley Cup Finals	6	2	4	0	0	4	.333	10	17	18.5	86.7	23.67	37.00
Ottawa Senators	2006-07	Stanley Cup Finals	5	1	4	0	0	2	.200	11	16	16.0	85.0	20.20	24.80
Edmonton Oilers	2005-06	Stanley Cup Finals	7	3	4	0	0	6	.429	16	19	11.1	79.5	28.57	23.43
Calgary Flames	2003-04	Stanley Cup Finals	7	3	4	0	0	6	.429	14	13	25.0	79.4	24.43	24.29
Mighty Ducks of Anaheim	2002-03	Stanley Cup Finals	7	3	4	0	0	6	.429	12	19	11.1	85.7	23.14	28.86
Carolina Hurricanes	2001-02	Stanley Cup Finals	5	1	4	0	0	2	.200	7	14	8.3	88.0	24.00	32.40
New Jersey Devils	2000-01	Stanley Cup Finals	7	3	4	0	0	6	.429	11	19	11.1	83.3	25.43	20.86
Dallas Stars	1999-00	Stanley Cup Finals	6	2	4	0	0	4	.333	9	15	12.5	87.5	24.50	34.83
Buffalo Sabres	1998-99	Stanley Cup Finals	6	2	4	0	0	4	.333	9	13	11.5	88.5	25.33	33.17
Washington Capitals	1997-98	Stanley Cup Finals	4	0	4	0	0	0	.000	7	13	11.8	81.3	24.75	40.75