Magic Johnson has the most assists in a game 3, with 23 assists in Game 3 of the 1985 Western Conference Semifinals against the Trail Blazers.

Interpreted as:

most assists by a player in a game 3

	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	Magic Johnson M. Johnson	23	5/3/1985	LAL	@	POR	41	13	7	1	0	5	10	50.0	0	0		3	4	75.0	55.3	1	6	6	2
2	Rajon Rondo R. Rondo	21	5/4/2018	NOP	vs	GSW	37	4	10	1	0	2	11	18.2	0	2	0.0	0	0		18.2	2	8	4	2	+23
3	Magic Johnson M. Johnson	21	6/3/1984	LAL	vs	BOS	39	14	11	1	1	4	6	66.7	0	0		6	10	60.0	67.3	2	9	2	3
4	Rajon Rondo R. Rondo	20	4/22/2011	BOS	@	NYK	41	15	11	2	0	5	13	38.5	0	0		5	6	83.3	48.0	6	5	4	4	+23
5	Magic Johnson M. Johnson	20	5/16/1986	LAL	@	HOU	45	17	8	3	0	6	11	54.5	0	2	0.0	5	6	83.3	62.3	3	5	3	4
6	Jason Kidd J. Kidd	19	4/27/2007	NJN	vs	TOR	40	16	16	3	1	7	14	50.0	2	8	25.0	0	0		57.1	4	12	5	2	+14
7	Magic Johnson M. Johnson	19	5/24/1991	LAL	vs	POR	44	14	7	1	0	3	8	37.5	1	5	20.0	7	7	100.0	63.2	0	7	4	2
8	John Stockton J. Stockton	19	5/2/1990	UTA	@	PHX	41	22	3	3	0	8	18	44.4	1	5	20.0	5	6	83.3	53.3	1	2	3	5
9	Wilt Chamberlain W. Chamberlain	19	3/24/1967	PHI	vs	CIN	48	16	30			8	13	61.5				0	2	0.0	57.6				1
10	Bob Cousy B. Cousy	19	4/7/1959	BOS	@	MIN	48	23	3			6	18	33.3				11	15	73.3	46.7				2
11	Sleepy Floyd S. Floyd	18	5/1/1990	HOU	vs	LAL	46	23	5	1	1	9	12	75.0	3	4	75.0	2	6	33.3	78.6	0	5	6	1
12	Magic Johnson M. Johnson	18	5/1/1990	LAL	@	HOU	43	17	8	2	0	5	14	35.7	0	4	0.0	7	9	77.8	47.3	2	6	2	4
13	Nikola Jokić N. Jokić	17	5/5/2023	DEN	@	PHX	42	30	17	0	1	11	19	57.9	1	2	50.0	7	8	87.5	66.6	6	11	6	3	+5
14	Steve Nash S. Nash	17	5/13/2005	PHX	@	DAL	42	27	3	2	0	12	21	57.1	1	5	20.0	2	3	66.7	60.5	0	3	7	1	+13
15	Mark Jackson M. Jackson	17	4/27/1998	IND	@	CLE	34	3	1	4	0	1	6	16.7	0	3	0.0	1	2	50.0	21.8	0	1	1	3	+4
16	Rod Strickland R. Strickland	17	5/10/1990	SAS	vs	POR	40	13	9	2	0	6	10	60.0	0	1	0.0	1	2	50.0	59.7	2	7	1	2
17	Magic Johnson M. Johnson	17	4/23/1986	LAL	@	SAS	32	14	10	2	0	4	6	66.7	0	0		6	8	75.0	73.5	4	6	2	4
18	Walt Frazier W. Frazier	17	3/30/1969	NYK	@	BAL	44	26	7			9	19	47.4				8	11	72.7	54.5				4
19	Tyrese Haliburton T. Haliburton	16	4/26/2024	IND	vs	MIL	46	18	10	0	1	8	22	36.4	1	12	8.3	1	1	100.0	40.1	5	5	4	1	+16
20	Chris Paul C. Paul	16	5/9/2014	LAC	vs	OKC	42	21	2	3	0	8	16	50.0	2	6	33.3	3	5	60.0	57.7	0	2	0	3	+4
21	Jason Kidd J. Kidd	16	4/29/2001	PHX	vs	SAC	44	19	4	3	0	8	22	36.4	0	5	0.0	3	4	75.0	40.0	2	2	0	4	-6
22	Kevin Johnson K. Johnson	16	5/9/1992	PHX	vs	POR	42	16	2	4	0	4	8	50.0	0	0		8	10	80.0	64.5	0	2	3	4
23	Magic Johnson M. Johnson	16	5/12/1990	LAL	@	PHX	42	22	7	0	0	7	18	38.9	0	3	0.0	8	8	100.0	51.1	3	4	4	3
24	Kevin Johnson K. Johnson	16	5/2/1989	PHX	@	DEN	41	32	4	1	0	9	17	52.9	0	1	0.0	14	14	100.0	69.1	0	4	5	3
25	John Stockton J. Stockton	16	5/2/1989	UTA	@	GSW	47	34	3	6	2	13	20	65.0	1	2	50.0	7	8	87.5	72.3	0	3	5	5