Between the 1949-50 and 1958-59 seasons, Bob Cousy had the most assists in a game, with 28 assists versus the Minneapolis Lakers on February 27, 1959.

Interpreted as:

most assists by a player in a regular-season game in the 1950s

	NAME	AST	DATE	TM		OPP	MIN	PTS	REB	FGM	FGA	FG%	FTM	FTA	FT%	TS%	PF
1	Bob Cousy B. Cousy	28	2/27/1959	BOS	vs	MIN	45	31	5	10	18	55.6	11	12	91.7	66.6	3
2	Richie Guerin R. Guerin	21	12/12/1958	NYK	vs	STL		18		8			2	3	66.7		3
3	Bob Davies B. Davies	20	1/22/1955	ROC	vs	BOS		25		4	15	26.7	17	21	81.0	51.6	3
4	Bob Cousy B. Cousy	19	11/24/1956	BOS	vs	SYR	38	21		9	19	47.4	3	3	100.0	51.7	1
5	Andy Phillip A. Phillip	19	11/20/1955	FTW	vs	NYK		10		3			4	5	80.0		6
6	Andy Phillip A. Phillip	19	11/27/1954	FTW	vs	MIN		6		2			2	4	50.0		3
7	Dick McGuire D. McGuire	18	2/15/1958	DET	vs	MIN		14		5			4	4	100.0		1
8	Paul Seymour P. Seymour	18	1/26/1955	SYR		PHI	45	22	10	9	24	37.5	4	4	100.0	42.7	1
9	Bob Cousy B. Cousy	18	1/18/1953	BOS	vs	NYK	48	15		4	18	22.2	7	8	87.5	34.9	4
10	Bob Cousy B. Cousy	17	12/10/1955	BOS	vs	MIN	43	15		7	21	33.3	1	3	33.3	33.6	1
11	Jack McMahon J. McMahon	17	12/8/1954	ROC	vs	SYR	33	20	5	8	20	40.0	4	5	80.0	45.0	1
12	Bob Cousy B. Cousy	17	2/4/1953	BOS	vs	SYR	43	14		3	17	17.6	8	9	88.9	33.4	6
13	Dick McGuire D. McGuire	17	12/11/1951	NYK	vs	MIL		16		5			6	7	85.7		2
14	Andy Phillip A. Phillip	17	2/13/1951	PHI	vs	BOS		10	6	4	9	44.4	2	3	66.7	48.4	2
15	Bob Cousy B. Cousy	16	1/18/1959	BOS	vs	STL	39	26	6	10	15	66.7	6	7	85.7	71.9	4
16	Bob Cousy B. Cousy	16	3/11/1956	BOS	vs	STL	44	25		10	19	52.6	5	5	100.0	59.0	3
17	Dick McGuire D. McGuire	16	1/19/1955	NYK		ROC		7	10	3			1	2	50.0		3
18	Dick McGuire D. McGuire	16	10/30/1954	NYK	vs	MIN		10		2			6	9	66.7		2
19	Ray Lumpp R. Lumpp	16	3/11/1953	BAL		NYK		15		5			5	5	100.0		5
20	Bob Cousy B. Cousy	16	1/6/1952	BOS	vs	ROC	45	15	7	6	26	23.1	3	4	75.0	27.0	4
21	George Senesky G. Senesky	16	2/15/1951	PHI	vs	NYK		10	5	5	12	41.7	0	1	0.0	40.2	4
22	Dick McGuire D. McGuire	16	3/15/1950	NYK	vs	BOS		8		2			4	6	66.7
23	Dick McGuire D. McGuire	16	12/14/1949	NYK	vs	MIN		6		1	10	10.0	4	4	100.0	25.5	0
24	Bob Cousy B. Cousy	15	3/4/1959	BOS	vs	SYR	38	18	2	7	19	36.8	4	5	80.0	42.5	3
25	Dick McGuire D. McGuire	15	3/1/1959	DET	vs	CIN		14		5			4	7	57.1		4