Since 1962, Barry Bonds has the most bases on balls in a season, with 232 walks in 2004.

Interpreted as:

most walks by a player since 1962 in single season

	NAME	BB	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Barry Bonds B. Bonds	232	2004	SFG	147	373	129	135	27	3	45	101	9	41	6	1	617	303	75	0	3	120	5	.362	.609	.812	1.422	185	108	.537	233	105.7
2	Barry Bonds B. Bonds	198	2002	SFG	143	403	117	149	31	2	46	110	9	47	9	2	612	322	79	0	2	68	4	.370	.582	.799	1.381	183	110	.544	244	109.9
3	Barry Bonds B. Bonds	177	2001	SFG	153	476	129	156	32	2	73	137	9	93	13	3	664	411	107	0	2	35	5	.328	.515	.863	1.379	200	117.7	.537	234	116.6
4	Mark McGwire M. McGwire	162	1998	STL	155	509	130	152	21	0	70	147	6	155	1	0	681	383	91	0	4	28	8	.299	.470	.752	1.222	176	91.7	.492	205	90.7
5	Barry Bonds B. Bonds	151	1996	SFG	158	517	122	159	27	3	42	129	1	76	40	7	675	318	72	0	6	30	11	.308	.461	.615	1.076	151	63.7	.446	179	67.8
6	Jeff Bagwell J. Bagwell	149	1999	HOU	162	562	143	171	35	0	42	126	11	127	30	11	729	332	77	0	7	16	18	.304	.454	.591	1.045	159	63.9	.442	166	65.7
7	Barry Bonds B. Bonds	148	2003	SFG	130	390	111	133	22	1	45	90	10	58	7	0	550	292	68	0	2	61	7	.341	.529	.749	1.278	148	80.5	.503	212	79.4
8	Jimmy Wynn J. Wynn	148	1969	HOU	149	495	113	133	17	1	33	87	3	142	23	7	653	251	51	2	5	14	5	.269	.436	.507	.943	122	52.2	.421	166	49.5
9	Juan Soto J. Soto	145	2021	WSH	151	502	111	157	20	2	29	95	2	93	9	7	654	268	51	0	5	23	23	.313	.465	.534	.999	136	57.3	.420	164	53.2
10	Barry Bonds B. Bonds	145	1997	SFG	159	532	123	155	26	5	40	101	8	87	37	8	690	311	71	0	5	34	13	.291	.446	.585	1.031	141	56.1	.430	165	57
11	Harmon Killebrew H. Killebrew	145	1969	MIN	162	555	106	153	20	2	49	140	5	84	8	2	709	324	71	0	4	20	16	.276	.427	.584	1.011	143	67.4	.441	173	59.9
12	Joey Votto J. Votto	143	2015	CIN	158	545	95	171	33	2	29	80	5	135	11	3	695	295	64	0	2	15	11	.314	.459	.541	1.000	141	63.1	.427	173	59.5
13	Gary Sheffield G. Sheffield	142	1996	FLA	161	519	118	163	33	1	42	120	10	66	16	9	677	324	76	0	6	19	16	.314	.465	.624	1.090	157	69.8	.456	185	73.1
14	Frank Thomas F. Thomas	138	1991	CWS	158	559	104	178	31	2	32	109	1	112	1	2	700	309	65	0	2	13	20	.318	.453	.553	1.006	146	66.8	.442	179	65.4
15	Jason Giambi J. Giambi	137	2000	OAK	152	510	108	170	29	1	43	137	9	96	2	0	664	330	73	0	8	6	9	.333	.476	.647	1.123	163	75.5	.471	182	74.3
16	Willie McCovey W. McCovey	137	1970	SFG	152	495	98	143	39	2	39	126	3	75	0	0	638	303	80	0	3	40	13	.289	.444	.612	1.056	133	61.2	.443	169	54.8
17	Frank Thomas F. Thomas	136	1995	CWS	145	493	102	152	27	0	40	111	6	74	3	2	647	299	67	0	12	29	14	.308	.454	.606	1.061	139	58.3	.441	168	57.8
18	Jack Clark J. Clark	136	1987	STL	131	419	93	120	23	1	35	106	0	139	1	2	558	250	59	0	3	13	5	.286	.459	.597	1.055	124	55.2	.445	177	54
19	Juan Soto J. Soto	135	2022	TOT	153	524	93	127	25	2	27	62	4	96	6	2	663	237	54	0	0	6	12	.242	.401	.452	.853	111	34.8	.376	146	35.2
20	Joey Votto J. Votto	135	2013	CIN	162	581	101	177	30	3	24	73	4	138	6	3	726	285	57	0	6	19	15	.305	.435	.491	.926	129	49.1	.400	156	45.4
21	Brian Giles B. Giles	135	2002	PIT	153	497	95	148	37	5	38	103	7	74	15	6	644	309	80	0	5	24	10	.298	.450	.622	1.072	140	62.7	.444	174	59.5
22	Jeff Bagwell J. Bagwell	135	1996	HOU	162	568	111	179	48	2	31	120	10	114	21	7	719	324	81	0	6	20	15	.315	.451	.570	1.021	153	60.1	.433	173	66.4
23	Joey Votto J. Votto	134	2017	CIN	162	559	106	179	34	1	36	100	8	83	5	1	707	323	71	0	6	20	16	.320	.454	.578	1.032	150	64	.428	163	57.6
24	Aaron Judge A. Judge	133	2024	NYY	158	559	122	180	36	1	58	144	9	171	10	0	703	392	95	0	2	20	22	.322	.458	.701	1.159	176	93.7	.476	219	95.5
25	Mark McGwire M. McGwire	133	1999	STL	153	521	118	145	21	1	65	147	2	141	0	0	661	363	87	0	5	21	12	.278	.424	.697	1.120	150	64.2	.453	169	61.5