I didn't find anything for this season, but Steven Adams missed the most free throws with fewer than 70 free throws in 2024-25, with 50 misses.

Interpreted as:

most missed ft by a player this season under 70% ft

	NAME	FT MISS	FTM	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Steven Adams S. Adams	50	43	2024-25	HOU	58	13.7	3.9	5.6	1.1	0.4	0.5	1.6	2.9	54.5	0.0	0.0	0.0	1.6	46.2	54.1	2.9	2.8	0.9	794	225	327	66	22	28	54	60	+172
2	Moussa Diabaté M. Diabaté	47	69	2024-25	CHA	71	17.5	5.7	6.2	0.8	0.6	0.6	2.4	3.9	59.6	0.0	0.1	0.0	1.6	59.5	60.9	2.6	3.5	0.9	1,241	403	438	56	46	40	61	109	-123
3	Clint Capela C. Capela	45	52	2024-25	ATL	55	21.4	8.9	8.5	1.1	0.6	1.0	4.0	7.1	55.9	0.0	0.0	0.0	1.8	53.6	56.4	3.2	5.4	0.9	1,176	488	469	62	34	53	47	106	-79
4	Kevon Looney K. Looney	43	56	2024-25	GSW	76	15.0	4.5	6.1	1.6	0.6	0.5	1.9	3.7	51.4	0.0	0.1	40.0	1.3	56.6	53.5	2.4	3.6	0.5	1,142	344	462	118	46	37	39	154	+119
5	Trayce Jackson-Davis T. Jackson-Davis	43	59	2024-25	GSW	62	15.6	6.6	5.0	1.7	0.4	0.6	2.8	4.9	57.6	0.0	0.0	0.0	1.6	57.8	58.7	2.0	3.0	0.7	967	407	311	104	23	38	45	73	-61
6	Donovan Clingan D. Clingan	42	62	2024-25	POR	67	19.8	6.5	7.9	1.1	0.5	1.6	2.7	5.0	53.9	0.2	0.7	28.6	1.6	59.6	57.4	3.2	4.6	1.1	1,324	436	527	77	34	110	72	189	-2
7	DeAndre Jordan D. Jordan	37	27	2024-25	DEN	56	12.3	3.7	5.1	0.9	0.3	0.5	1.6	2.5	65.0	0.0	0.0		1.1	42.2	62.1	1.5	3.6	0.7	691	209	284	53	16	27	40	74	-47
8	Jaxson Hayes J. Hayes	37	61	2024-25	LAL	56	19.5	6.8	4.8	1.0	0.6	0.9	2.9	4.0	72.2	0.0	0.1	0.0	1.8	62.2	72.0	1.4	3.4	0.8	1,093	383	269	58	31	51	43	136	+87
9	Caleb Martin C. Martin	37	61	2024-25	TOT	45	27.1	7.9	3.9	2.1	1.0	0.5	2.9	6.8	42.4	0.8	2.3	35.9	2.2	62.2	51.3	1.2	2.8	1.2	1,218	356	177	95	46	23	56	87	-155
10	Andre Drummond A. Drummond	34	56	2024-25	PHI	40	18.8	7.3	7.8	0.9	1.0	0.5	2.9	5.9	50.0	0.1	0.5	15.0	2.3	62.2	53.5	2.7	5.0	1.4	751	293	310	34	39	18	55	94	-245
11	Adem Bona A. Bona	33	67	2024-25	PHI	58	15.6	5.8	4.2	0.5	0.4	1.2	2.3	3.3	70.3	0.0	0.0	0.0	1.7	67.0	71.4	1.6	2.6	1.1	905	337	245	27	26	69	61	125	-114
12	Kris Murray K. Murray	31	26	2024-25	POR	69	15.1	4.2	2.6	1.0	0.5	0.2	1.7	4.0	41.9	0.4	1.7	22.5	0.8	45.6	47.2	1.1	1.5	0.6	1,040	287	182	68	35	17	43	66	-50
13	Luke Kornet L. Kornet	30	67	2024-25	BOS	73	18.6	6.0	5.3	1.6	0.5	1.0	2.6	3.8	66.8	0.0	0.0	0.0	1.3	69.1	68.3	2.6	2.7	0.4	1,361	441	388	117	36	71	31	119	+401
14	Santi Aldama S. Aldama	29	65	2024-25	MEM	65	25.5	12.5	6.4	2.9	0.8	0.4	4.8	10.0	48.3	1.8	5.0	36.8	1.4	69.1	58.8	1.4	5.0	1.1	1,660	811	416	188	52	29	71	76	+150
15	Precious Achiuwa P. Achiuwa	28	41	2024-25	NYK	57	20.5	6.6	5.6	1.0	0.8	0.7	2.9	5.7	50.2	0.2	0.6	27.8	1.2	59.4	53.0	1.8	3.8	0.8	1,170	379	317	55	47	42	45	81	-48
16	Dereck Lively II D. Lively II	27	46	2024-25	DAL	36	23.1	8.7	7.5	2.4	0.6	1.6	3.7	5.3	70.2	0.0	0.0		2.0	63.0	70.4	2.9	4.6	1.1	833	314	270	85	20	56	41	100	+121
17	Olivier-Maxence Prosper O. Prosper	27	49	2024-25	DAL	52	11.2	3.9	2.4	0.8	0.5	0.1	1.3	3.3	40.2	0.2	1.0	23.5	1.5	64.5	48.4	0.8	1.6	0.3	584	201	126	40	26	6	14	28	-104
18	Tidjane Salaün T. Salaün	27	67	2024-25	CHA	60	20.7	5.9	4.7	1.2	0.5	0.2	1.9	5.8	33.0	1.0	3.4	28.3	1.6	71.3	45.7	1.2	3.5	1.0	1,244	353	280	74	29	14	58	84	-321
19	Brandon Clarke B. Clarke	26	61	2024-25	MEM	64	18.9	8.3	5.1	1.0	0.8	0.6	3.7	5.9	62.1	0.0	0.3	5.9	1.4	70.1	63.8	2.0	3.1	0.6	1,207	534	326	66	52	36	41	145	+181
20	Davion Mitchell D. Mitchell	26	58	2024-25	TOT	74	27.4	7.9	2.3	4.9	1.0	0.2	3.0	6.4	46.8	1.1	2.9	39.8	1.1	69.0	57.3	0.5	1.8	1.7	2,027	588	167	363	72	16	128	185	-3
21	Jaden Hardy J. Hardy	26	60	2024-25	DAL	57	15.9	8.7	1.6	1.4	0.5	0.1	3.2	7.3	43.5	1.3	3.5	38.6	1.5	69.8	54.9	0.2	1.4	1.4	907	496	89	81	28	5	82	90	-65
22	Trey Lyles T. Lyles	24	56	2024-25	SAC	69	19.6	6.5	4.6	1.2	0.6	0.3	2.3	5.4	42.0	1.2	3.4	34.0	1.2	70.0	55.1	1.2	3.4	0.6	1,349	451	316	82	41	23	39	86	-70
23	Drew Eubanks D. Eubanks	24	47	2024-25	TOT	61	12.2	4.6	3.7	0.9	0.2	0.6	1.9	3.2	59.3	0.0	0.1	50.0	1.2	66.2	62.2	1.0	2.7	0.7	746	280	226	54	12	39	41	63	-126
24	Tristan Thompson T. Thompson	23	7	2024-25	CLE	40	8.2	1.7	3.4	0.6	0.1	0.3	0.8	1.8	43.7	0.0	0.1	0.0	0.8	23.3	41.0	0.8	2.6	0.4	328	69	134	24	2	11	14	36	-85
25	Patrick Williams P. Williams	23	60	2024-25	CHI	63	25.0	9.0	3.8	2.0	0.8	0.5	3.3	8.2	39.7	1.5	4.3	35.3	1.3	72.3	51.2	0.7	3.1	1.4	1,576	566	237	124	48	32	86	88	-182