Babe Ruth had the highest on-base percentage in 1926, with an on-base percentage of .516.

Interpreted as:

best obp with a minimum of 3.1 PA per team game by an MLB player 1926

	NAME	OBP	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	AVG	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Babe Ruth B. Ruth	.516	1926	NYY	152	495	139	184	30	5	47	153	144	3	76	11	9	652	365	82	10	.372	.737	1.253	184	105.6	.551	216	100.6
2	Harry Heilmann H. Heilmann	.445	1926	DET	141	502	90	184	41	8	9	101	67	4	19	6	7	598	268	58	25	.367	.534	.979	122	49.9	.451	153	41.8
3	Max Bishop M. Bishop	.431	1926	PHA	122	400	77	106	20	2	0	33	116	1	41	4	5	529	130	22	12	.265	.325	.756	78	14.3	.379	110	7.1
4	Goose Goslin G. Goslin	.425	1926	WSH	147	568	105	201	26	15	17	109	63	7	38	8	8	656	308	58	18	.354	.542	.967	130	50.6	.443	152	44.9
5	Heinie Manush H. Manush	.421	1926	DET	136	498	95	188	35	8	14	86	31	6	28	11	5	563	281	57	28	.378	.564	.985	114	46.4	.450	152	38.7
6	Lou Gehrig L. Gehrig	.420	1926	NYY	155	572	135	179	47	20	16	109	105	1	73	6	5	696	314	83	18	.313	.549	.969	136	52.6	.441	151	47.3
7	Johnny Mostil J. Mostil	.415	1926	CWS	148	600	120	197	41	15	4	41	79	10	55	35	14	702	280	60	13	.328	.467	.882	121	36.7	.411	133	30.6
8	Bibb Falk B. Falk	.415	1926	CWS	155	566	86	195	43	4	8	108	66	2	22	9	10	657	270	55	23	.345	.477	.892	115	36.3	.415	135	30.5
9	Lu Blue L. Blue	.413	1926	DET	128	429	92	123	24	14	1	52	90	2	18	13	7	538	178	39	17	.287	.415	.828	85	20.5	.393	119	13.2
10	Paul Waner P. Waner	.413	1926	PIT	144	536	101	180	35	22	8	79	66	4	19	11		618	283	65	12	.336	.528	.941	116	41.4	.430	148	36.3
11	Ray Blades R. Blades	.409	1926	SLN	107	416	81	127	17	12	8	43	62	11	57	6		498	192	37	9	.305	.462	.871	84	24.3	.407	135	21.5
12	Tristram Speaker T. Speaker	.408	1926	CLE	150	539	96	164	52	8	7	88	94	0	15	6	1	661	253	67	28	.304	.469	.877	113	33	.408	127	24
13	Hack Wilson H. Wilson	.406	1926	CHC	142	529	97	170	36	8	21	109	69	6	61	10		613	285	65	9	.321	.539	.944	116	41.8	.431	153	40.4
14	George Grantham G. Grantham	.400	1926	PIT	141	449	66	143	27	13	8	70	60	1	42	6		522	220	48	12	.318	.490	.890	90	27	.410	135	22.7
15	Joe Sewell J. Sewell	.399	1926	CLE	154	578	91	187	41	5	4	84	65	8	6	17	7	672	250	50	21	.324	.433	.832	105	24.6	.391	117	15.5
16	Dave Bancroft D. Bancroft	.399	1926	BSN	127	453	70	141	18	6	1	44	64	2	29	3		541	174	25	22	.311	.384	.783	78	12.7	.375	121	14.1
17	Willie Kamm W. Kamm	.396	1926	CWS	143	480	63	141	24	10	0	63	77	4	24	12	4	578	185	34	17	.294	.385	.781	83	13.2	.374	111	8.1
18	Topper Rigney T. Rigney	.395	1926	BSA	148	525	71	142	32	6	4	50	108	0	31	6	8	659	198	42	26	.270	.377	.772	93	14.1	.372	107	5.9
19	George Burns G. Burns	.394	1926	CLE	151	603	97	216	64	3	4	115	28	8	33	13	7	657	298	71	18	.358	.494	.889	113	33.6	.410	128	24.6
20	Earl Sheely E. Sheely	.394	1926	CWS	145	525	77	157	40	2	6	87	75	7	13	3	1	627	219	48	20	.299	.417	.811	95	19.3	.384	117	13.7
21	Al Simmons A. Simmons	.392	1926	PHA	147	583	90	199	53	10	19	110	48	1	49	11	3	642	329	82	10	.341	.564	.957	122	44.8	.433	142	36
22	Rogers Hornsby R. Hornsby	.388	1926	SLN	134	527	96	167	34	5	11	93	61	0	39	3		604	244	50	16	.317	.463	.851	97	23.9	.395	127	20.4
23	Harry Rice H. Rice	.384	1926	SLA	148	578	86	181	27	10	9	54	63	4	40	10	11	655	255	46	10	.313	.441	.826	100	21.1	.386	109	8.2
24	Les Bell L. Bell	.383	1926	SLN	155	581	85	189	33	14	17	100	54	0	62	9		666	301	64	31	.325	.518	.901	115	34.8	.411	138	30.9
25	Kiki Cuyler K. Cuyler	.380	1926	PIT	157	614	113	197	31	15	8	92	50	9	66	35		694	282	54	21	.321	.459	.840	108	24.3	.389	122	18.6