James Harden has drained the most free throws in a game with exactly 0 missed free throws, with 24 made against the Spurs on December 3, 2019.

most free throws made in a game no misses

Interpreted as:

most free throws made by a player in a regular-season game no misses

NAME	FTM	FT MISS	DATE	TM		OPP	MIN	PTS	REB	AST	STL	BLK	TOV	FGM	FGA	FG%	3PM	3PA	3P%	FTA	FT%	PF	+/-
James Harden	24	0	12/3/2019	HOU	@	SAS	49	50	9	6	4	0	5	11	37	29.7	4	20	20.0	24	100.0	4	-3
Jimmy Butler	23	0	1/10/2023	MIA	vs	OKC	38	35	7	4	4	3	2	6	17	35.3	0	1	0.0	23	100.0	1	+5
Dominique Wilkins	23	0	12/8/1992	ATL	vs	CHI	44	42	3	5	4	0	2	9	22	40.9	1	4	25.0	23	100.0	1
Kevin Durant	21	0	1/18/2013	OKC	@	DAL	50	52	9	1	2	0	4	13	31	41.9	5	9	55.6	21	100.0	2	-1
Deron Williams	21	0	3/4/2012	NJN	@	CHA	38	57	6	7	1	1	5	16	29	55.2	4	11	36.4	21	100.0	2	+11
Kobe Bryant	20	0	2/2/2009	LAL	@	NYK	37	61	0	3	0	1	2	19	31	61.3	3	6	50.0	20	100.0	1	+19
Amar'e Stoudemire	20	0	3/22/2008	PHX	vs	HOU	39	38	13	0	0	4	2	9	15	60.0	0	1	0.0	20	100.0	5	+9
Richard Hamilton	20	0	11/21/2004	DET	vs	CHA	48	30	3	6	1	0	3	5	18	27.8	0	1	0.0	20	100.0	6	-3
Joel Embiid	19	0	3/6/2023	PHI	@	IND	37	42	5	3	2	1	4	11	16	68.8	1	2	50.0	19	100.0	4	-4
Kawhi Leonard	19	0	12/13/2019	LAC	@	MIN	37	42	11	2	0	0	8	10	24	41.7	3	3	100.0	19	100.0	3	+16
James Harden	19	0	11/21/2018	HOU	vs	DET	36	43	7	9	4	0	6	10	20	50.0	4	9	44.4	19	100.0	3	+9
James Harden	19	0	11/14/2017	HOU	vs	TOR	39	38	6	11	0	1	9	8	25	32.0	3	11	27.3	19	100.0	5	-2
Adrian Dantley	19	0	12/15/1987	DET	vs	CHI	41	27	8	7	0	0	2	4	9	44.4	0	0		19	100.0	1
Bill Cartwright	19	0	11/17/1981	NYK	vs	KCK	36	31	8	0	0	1		6	7	85.7	0	0		19	100.0	2
Bob Pettit	19	0	11/22/1961	STL	@	BOS	40	43	16	4				12	20	60.0				19	100.0	4
Nikola Jokic	18	0	12/25/2023	DEN	vs	GSW	39	26	14	8	0	0	3	4	12	33.3	0	2	0.0	18	100.0	2	+21
Damian Lillard	18	0	3/16/2021	POR	vs	NOP	41	50	6	10	0	0	4	13	20	65.0	6	13	46.2	18	100.0	3	+9
Damian Lillard	18	0	8/11/2020	POR	@	DAL	41	61	5	8	1	0	3	17	32	53.1	9	17	52.9	18	100.0	2	+8
James Harden	18	0	2/28/2019	HOU	vs	MIA	44	58	7	10	4	1	4	16	32	50.0	8	18	44.4	18	100.0	1	+10
James Harden	18	0	11/16/2017	HOU	@	PHX	35	48	2	7	2	1	5	12	22	54.5	6	11	54.5	18	100.0	3	+15
James Harden	18	0	12/5/2016	HOU	vs	BOS	35	37	8	7	3	0	10	8	14	57.1	3	5	60.0	18	100.0	2	+3
Danilo Gallinari	18	0	2/5/2016	DEN	vs	CHI	35	33	3	2	1	1	1	7	12	58.3	1	3	33.3	18	100.0	3	-5
Kobe Bryant	18	0	4/10/2013	LAL	@	POR	48	47	8	5	3	4	1	14	27	51.9	1	5	20.0	18	100.0	4	+7
Kevin Martin	18	0	3/20/2011	HOU	vs	UTA	42	34	3	1	1	0	2	7	18	38.9	2	8	25.0	18	100.0	0	+6
Kevin Durant	18	0	11/10/2009	OKC	@	SAC	39	37	5	2	3	0	4	9	23	39.1	1	6	16.7	18	100.0	3	-7