John Stockton has the most assists in a game 7, with 20 assists in Game 7 of the 1988 Western Conference Semifinals against the Lakers.

Interpreted as:

most NBA assists by a player in a game 7

	NAME	AST	DATE	TM		OPP	MIN	PTS	REB	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	John Stockton J. Stockton	20	5/21/1988	UTA	@	LAL	48	29	1	5	0	10	15	66.7	1	3	33.3	8	8	100.0	78.3	0	1	5	2
2	Walt Frazier W. Frazier	19	5/8/1970	NYK	vs	LAL	44	36	7			12	17	70.6				12	12	100.0	80.8				3
3	Doc Rivers D. Rivers	18	5/22/1988	ATL	@	BOS	39	16	5	2	0	7	17	41.2	0	3	0.0	2	2	100.0	44.7	2	3	2	6
4	Russell Westbrook R. Westbrook	16	5/3/2014	OKC	vs	MEM	39	27	10	2	1	10	16	62.5	2	2	100.0	5	6	83.3	72.4	4	6	7	3	+22
5	Allen Iverson A. Iverson	16	5/20/2001	PHI	vs	TOR	48	21	4	2	1	8	27	29.6	1	3	33.3	4	4	100.0	36.5	1	3	4	2	+1
6	Magic Johnson M. Johnson	16	5/21/1988	LAL	vs	UTA	40	23	9	1	0	9	15	60.0	0	0		5	6	83.3	65.2	4	5	3	3
7	Bob Cousy B. Cousy	16	4/10/1963	BOS	vs	CIN	34	21	3			9	18	50.0				3	4	75.0	53.1				3
8	Paul Pressey P. Pressey	15	5/11/1986	MIL	vs	PHI	43	11	5	2	1	3	8	37.5	0	2	0.0	5	6	83.3	51.7	3	2	4	4
9	Magic Johnson M. Johnson	15	6/12/1984	LAL	@	BOS	43	16	5	4	2	5	14	35.7	0	0		6	7	85.7	46.8	0	5	7	5
10	Jerry West J. West	15	4/9/1970	LAL	vs	PHX	42	19	2			9	19	47.4				1	3	33.3	46.8				4
11	Luka Dončić L. Dončić	14	6/6/2021	DAL	@	LAC	45	46	7	0	0	17	30	56.7	5	11	45.5	7	11	63.6	66.0	0	7	6	3	-9
12	Chris Paul C. Paul	14	5/3/2014	LAC	vs	GSW	42	22	2	4	0	8	15	53.3	1	3	33.3	5	5	100.0	64.0	0	2	2	3	-2
13	Rajon Rondo R. Rondo	14	6/9/2012	BOS	@	MIA	44	22	10	1	0	10	22	45.5	1	2	50.0	1	2	50.0	48.1	0	10	3	2	-12
14	Russell Westbrook R. Westbrook	14	5/15/2011	OKC	vs	MEM	35	14	10	0	1	4	12	33.3	0	0		6	6	100.0	47.8	6	4	5	2	+19
15	Chris Paul C. Paul	14	5/19/2008	NOH	vs	SAS	48	18	8	5	0	8	18	44.4	0	1	0.0	2	5	40.0	44.6	3	5	4	6	-9
16	Deron Williams D. Williams	14	5/5/2007	UTA	@	HOU	45	20	2	1	0	7	13	53.8	1	3	33.3	5	6	83.3	63.9	1	1	4	3	+13
17	Magic Johnson M. Johnson	14	6/21/1988	LAL	vs	DET	40	19	5	2	0	6	9	66.7	0	1	0.0	7	8	87.5	75.9	0	5	4	5
18	Bob Cousy B. Cousy	14	4/9/1960	BOS	vs	STL	47	19	6			8	25	32.0				3	4	75.0	35.5				1
19	James Harden J. Harden	13	5/3/2025	LAC	@	DEN	35	7	5	2	1	2	8	25.0	1	4	25.0	2	2	100.0	39.4	0	5	2	0	-29
20	Ben Simmons B. Simmons	13	6/20/2021	PHI	vs	ATL	36	5	8	1	0	2	4	50.0	0	0		1	2	50.0	51.2	1	7	2	4	+1
21	Nikola Jokić N. Jokić	13	9/15/2020	DEN	@	LAC	40	16	22	2	3	5	13	38.5	0	4	0.0	6	6	100.0	51.2	3	19	5	4	+22
22	Russell Westbrook R. Westbrook	13	5/30/2016	OKC	@	GSW	45	19	7	2	0	7	21	33.3	2	6	33.3	3	4	75.0	41.7	0	7	3	3	-14
23	Tracy McGrady T. McGrady	13	5/5/2007	HOU	vs	UTA	42	29	5	0	3	12	25	48.0	0	4	0.0	5	9	55.6	50.1	0	5	2	1	-7
24	Steve Nash S. Nash	13	5/17/2003	DAL	vs	SAC	39	18	7	0	0	7	15	46.7	1	3	33.3	3	3	100.0	55.1	1	6	3	1	+6
25	Aaron McKie A. McKie	13	6/3/2001	PHI	vs	MIL	46	10	6	4	0	4	15	26.7	0	2	0.0	2	2	100.0	31.5	1	5	2	2	+22