Between the 1949-50 and 1958-59 seasons, Bob Cousy had the most assists in a decade, with 4,544 assists in the 1950s.

Interpreted as:

most assists by a player in the 1950s decade

	NAME	AST	DECADE	GP	MPG	PPG	RPG	APG	FGM	FGA	FG%	FTM	FTA	FT%	TS%	MIN	PTS	REB	PF
1	Bob Cousy B. Cousy	4,544	1950s	615	38.4	19.4	5.9	7.4	6.9	18.6	37.0	5.7	6.9	81.6	44.9	20,986	11,944	3,644	1,579
2	Dick McGuire D. McGuire	3,847	1950s	670	29.2	8.1	4.2	5.7	2.8	7.2	38.5	2.5	3.9	64.6	45.2	15,704	5,439	2,520	1,583
3	Andy Phillip A. Phillip	3,366	1950s	609	32.2	8.7	4.4	5.5	3.1	8.3	37.3	2.5	3.6	70.3	44.1	15,378	5,320	2,395	1,645
4	Slater Martin S. Martin	2,830	1950s	681	36.9	10.2	3.4	4.2	3.7	10.0	36.4	2.9	3.8	76.4	43.5	20,133	6,940	2,115	2,064
5	Paul Seymour P. Seymour	2,335	1950s	596	30.4	9.7	3.2	3.9	3.4	9.6	35.2	2.9	3.7	79.6	43.1	14,660	5,760	1,693	1,328
6	Carl Braun C. Braun	2,269	1950s	567	32.5	14.4	3.7	4.0	5.2	13.2	39.1	4.1	5.0	81.7	46.8	16,263	8,184	1,873	1,713
7	Dolph Schayes D. Schayes	2,177	1950s	696	36.7	19.1	13.3	3.1	6.0	15.7	38.0	7.2	8.5	83.9	49.1	20,784	13,298	8,413	2,453
8	Ed Macauley E. Macauley	2,079	1950s	641	35.7	17.5	7.5	3.2	5.8	13.4	43.6	5.9	7.7	76.1	52.2	18,071	11,234	4,325	1,667
9	George King G. King	1,958	1950s	411	32.6	10.3	3.9	4.8	3.7	9.7	38.2	2.9	4.5	64.2	44.1	13,408	4,219	1,606	1,044
10	Bob Davies B. Davies	1,929	1950s	402	31.3	14.2	2.9	4.8	4.9	12.9	38.0	4.3	5.7	75.7	45.8	8,617	5,690	980	1,369
11	Jack George J. George	1,890	1950s	421	33.2	10.5	4.5	4.5	3.8	10.6	36.1	2.8	4.0	69.8	42.3	13,988	4,416	1,900	1,057
12	Jack McMahon J. McMahon	1,890	1950s	499	27.8	8.3	2.7	3.8	3.2	9.4	33.7	2.0	3.1	63.9	38.6	13,894	4,155	1,366	1,441
13	Bill Sharman B. Sharman	1,811	1950s	579	33.5	17.8	4.0	3.1	6.6	15.6	42.2	4.6	5.3	88.2	49.6	18,339	10,319	2,308	1,644
14	Jack Coleman J. Coleman	1,749	1950s	633	33.1	10.6	9.2	2.8	4.4	10.7	41.6	1.7	2.5	69.5	45.1	16,479	6,721	5,186	1,927
15	Bob Harrison B. Harrison	1,672	1950s	615	26.9	7.2	2.5	2.7	2.9	8.2	35.2	1.4	2.0	69.3	39.4	12,926	4,418	1,358	2,035
16	Bobby Wanzer B. Wanzer	1,644	1950s	508	32.5	12.4	4.5	3.2	4.1	10.3	39.5	4.3	5.4	80.1	49.1	12,128	6,311	1,979	1,143
17	Vern Mikkelsen V. Mikkelsen	1,515	1950s	699	32.5	14.4	9.4	2.2	5.1	12.6	40.3	4.2	5.5	76.6	47.8	18,443	10,063	5,940	2,812
18	Nathaniel Clifton N. Clifton	1,367	1950s	544	30.0	10.0	8.2	2.5	3.8	10.6	36.1	2.4	3.7	63.3	40.9	14,369	5,444	4,469	1,840
19	Mel Hutchins M. Hutchins	1,298	1950s	437	37.9	11.1	9.6	3.0	4.4	11.4	38.9	2.3	3.4	67.3	43.2	16,574	4,851	4,186	1,246
20	Jim Pollard J. Pollard	1,275	1950s	385	35.4	12.9	7.8	3.3	5.2	14.5	35.5	2.6	3.4	76.1	40.3	9,391	4,978	2,487	1,001
21	Joe Graboski J. Graboski	1,271	1950s	621	35.3	12.8	9.3	2.0	4.7	13.4	35.2	3.4	4.8	70.6	41.3	19,917	7,932	5,225	2,148
22	Neil Johnston N. Johnston	1,269	1950s	516	35.5	19.4	11.3	2.5	6.4	14.4	44.4	6.6	8.6	76.8	53.4	18,298	10,023	5,856	1,681
23	George Senesky G. Senesky	1,234	1950s	317	27.3	7.2	3.5	3.9	2.7	7.8	34.0	1.9	2.7	71.0	40.2	5,032	2,288	878	676
24	Fred Scolari F. Scolari	1,190	1950s	381	26.4	10.9	2.7	3.1	3.7	11.2	33.3	3.5	4.2	83.1	42.0	6,573	4,159	857	1,020
25	Harry Gallatin H. Gallatin	1,145	1950s	630	31.9	13.3	11.9	1.8	4.2	10.4	40.3	4.9	6.3	77.6	50.4	15,813	8,409	6,684	1,959