Ted Williams had the highest on-base percentage in 1941, with an on-base percentage of .553.

Interpreted as:

highest obp with a minimum of 3.1 PA per team game by a player in 1941

	NAME	OBP	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	GIDP	AVG	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Ted Williams T. Williams	.553	1941	BSA	143	456	135	185	33	3	37	120	147	3	27	2	4	606	335	73	0	10	.406	.735	1.287	179	108.8	.568	221	96.9
2	Roy Cullenbine R. Cullenbine	.452	1941	SLA	149	501	82	159	29	9	9	98	121	2	43	6	4	629	233	47	5	4	.317	.465	.917	119	46.7	.431	141	33.6
3	Joe DiMaggio J. DiMaggio	.440	1941	NYY	139	541	122	193	43	11	30	125	76	4	13	4	2	621	348	84	0	6	.357	.643	1.083	144	72.3	.486	181	66.6
4	Elbie Fletcher E. Fletcher	.421	1941	PIT	151	521	95	150	29	13	11	74	118	2	54	5		642	238	53	1	5	.288	.457	.878	112	38	.411	149	36.8
5	Stan Hack S. Hack	.417	1941	CHC	151	586	111	186	33	5	7	45	99	1	40	10		694	250	45	8	3	.317	.427	.844	115	34.3	.398	144	35.4
6	Charlie Keller C. Keller	.416	1941	NYY	140	507	102	151	24	10	33	122	102	1	65	6	4	610	294	67	0	3	.298	.580	.996	125	54.4	.450	161	48.8
7	Jimmie Foxx J. Foxx	.412	1941	BSA	135	487	87	146	27	8	19	105	93	0	103	2	5	582	246	54	2	21	.300	.505	.917	107	39.6	.423	137	28.2
8	Cecil Travis C. Travis	.410	1941	WSH	152	608	106	218	39	19	7	101	52	1	25	2	2	663	316	65	2	13	.359	.520	.930	123	46.7	.426	144	38.3
9	Dolph Camilli D. Camilli	.407	1941	BKN	149	529	92	151	29	6	34	120	104	4	115	3		641	294	69	4	5	.285	.556	.962	125	50.8	.437	165	48.9
10	Pete Reiser P. Reiser	.406	1941	BKN	137	536	117	184	39	17	14	76	46	11	71	4		601	299	70	8	6	.343	.558	.964	118	48.1	.438	166	46.2
11	Johnny Mize J. Mize	.406	1941	SLN	126	473	67	150	39	8	16	100	70	1	45	4		547	253	63	3	8	.317	.535	.941	103	40.2	.430	159	37.8
12	Joe Cronin J. Cronin	.406	1941	BSA	143	518	98	161	38	8	16	95	82	1	55	1	4	615	263	62	14	20	.311	.508	.914	112	40.7	.420	135	28.6
13	Nick Etten N. Etten	.405	1941	PHN	151	540	78	168	27	4	14	79	82	3	33	9		627	245	45	2	10	.311	.454	.859	105	32.4	.401	146	33.4
14	Mel Ott M. Ott	.403	1941	NYG	148	525	89	150	29	0	27	90	100	3	68	5		634	260	56	6	2	.286	.495	.898	113	39.7	.415	152	38.4
15	Barney McCosky B. McCosky	.401	1941	DET	127	494	80	160	25	8	3	55	61	3	33	8	3	565	210	36	7	5	.324	.425	.827	89	23.6	.388	112	9.2
16	Taffy Wright T. Wright	.399	1941	CWS	136	513	71	165	35	5	10	97	60	6	27	5	4	580	240	50	1	8	.322	.468	.867	98	30.6	.403	129	21.9
17	Luke Appling L. Appling	.399	1941	CWS	154	592	93	186	26	8	1	57	82	1	32	12	8	677	231	35	2	10	.314	.390	.789	99	21.2	.375	112	11
18	Jeff Heath J. Heath	.396	1941	CLE	151	585	89	199	32	20	24	123	50	4	69	18	12	643	343	76	4	5	.340	.586	.982	128	53.9	.443	154	45.8
19	Dixie Walker D. Walker	.391	1941	BKN	148	531	88	165	32	8	9	71	70	0	18	4		606	240	49	5	6	.311	.452	.843	97	27.1	.392	136	25.2
20	Enos Slaughter E. Slaughter	.390	1941	SLN	113	425	71	132	22	9	13	76	53	2	28	4		484	211	44	4	5	.311	.496	.886	83	27.3	.407	145	25.2
21	George McQuinn G. McQuinn	.388	1941	SLA	130	495	93	147	28	4	18	80	74	0	30	5	4	574	237	50	5	10	.297	.479	.867	96	29.6	.401	123	17.7
22	Wally Moses W. Moses	.388	1941	PHA	116	438	78	132	31	4	4	35	62	0	27	3	3	509	183	39	9	6	.301	.418	.806	76	17.5	.379	113	8.7
23	Cookie Lavagetto C. Lavagetto	.388	1941	BKN	132	441	75	122	24	7	1	78	80	0	21	7		523	163	32	2	6	.277	.370	.757	72	11.7	.363	117	10.1
24	Buddy Lewis B. Lewis	.386	1941	WSH	149	569	97	169	29	11	9	72	82	0	30	10	7	653	247	49	2	14	.297	.434	.820	100	24.6	.383	119	16.4
25	Dick Siebert D. Siebert	.385	1941	PHA	123	467	63	156	28	8	5	79	37	2	22	1	3	513	215	41	7	12	.334	.460	.846	82	22.7	.391	120	13.8