Lou Gehrig and Babe Ruth were tied for the most homers in the AL in 1931, with 46 home runs.

	NAME	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	AVG	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Lou Gehrig L. Gehrig	46	1931	NYY	155	619	163	211	31	15	185	117	0	56	17	12	738	410	92	2	.341	.446	.662	1.108	179	87.7	.488	184	83.8
2	Babe Ruth B. Ruth	46	1931	NYY	145	534	149	199	31	3	162	128	1	51	5	4	663	374	80	0	.373	.495	.700	1.195	181	98.6	.525	206	95.1
3	Earl Averill E. Averill	32	1931	CLE	155	627	140	209	36	10	143	68	6	38	9	9	701	361	78	0	.333	.404	.576	.979	143	55.9	.439	146	43.5
4	Jimmie Foxx J. Foxx	30	1931	PHA	139	515	93	150	32	10	120	73	1	84	4	3	593	292	72	4	.291	.380	.567	.947	113	39.3	.422	140	31.8
5	Goose Goslin G. Goslin	24	1931	SLA	151	591	114	194	42	10	105	80	4	41	9	6	675	328	76	0	.328	.412	.555	.967	136	52	.435	144	40.1
6	Al Simmons A. Simmons	22	1931	PHA	128	513	105	200	37	13	128	47	3	45	3	3	563	329	72	0	.390	.444	.641	1.085	135	65.1	.484	176	57.9
7	Ben Chapman B. Chapman	17	1931	NYY	149	600	120	189	28	11	122	75	5	77	61	23	686	290	56	6	.315	.396	.483	.879	120	34.8	.403	134	31.1
8	Mickey Cochrane M. Cochrane	17	1931	PHA	122	459	87	160	31	6	89	56	3	21	2	3	521	254	54	3	.349	.423	.553	.976	107	42.6	.441	151	36
9	Red Kress R. Kress	16	1931	SLA	150	605	87	188	46	8	114	46	1	48	3	16	655	298	70	3	.311	.360	.493	.853	106	24.6	.386	115	13
10	Earl Webb E. Webb	14	1931	BSA	151	589	96	196	67	3	103	70	0	51	2	2	660	311	84	1	.333	.404	.528	.932	125	43.8	.422	142	37.8
11	Joe Cronin J. Cronin	12	1931	WSH	156	611	103	187	44	13	126	81	4	52	10	9	700	293	69	4	.306	.391	.480	.870	120	33.1	.398	128	26.8
12	Ed Morgan E. Morgan	11	1931	CLE	131	462	87	162	33	4	86	83	1	46	4	5	552	236	48	6	.351	.451	.511	.961	114	45.4	.442	148	35.6
13	Lyn Lary L. Lary	10	1931	NYY	155	610	100	171	35	9	107	88	6	54	13	10	712	254	54	8	.280	.376	.416	.793	106	17.5	.370	114	13.7
14	John Stone J. Stone	10	1931	DET	147	584	86	191	28	11	78	56	2	48	13	13	647	271	49	5	.327	.388	.464	.852	107	26.9	.391	120	17.1
15	Wes Ferrell W. Ferrell	9	1931	CLE	48	116	24	37	6	1	30	10	0	21	0	0	128	72	16	2	.319	.373	.621	.994	26	10.2	.439	146	7.9
16	Urbane Pickering U. Pickering	9	1931	BSA	103	341	48	86	13	4	52	33	0	53	3	4	376	134	26	2	.252	.318	.393	.711	43	-3.2	.328	87	-6.6
17	Fred Schulte F. Schulte	9	1931	SLA	134	553	100	168	32	7	65	56	1	49	6	8	613	241	48	3	.304	.369	.436	.805	92	15.7	.371	106	4.8
18	Ossie Bluege O. Bluege	8	1931	WSH	152	570	82	155	25	7	98	50	5	39	16	10	634	218	40	9	.272	.336	.382	.718	76	-2.3	.335	91	-8
19	Mule Haas M. Haas	8	1931	PHA	102	440	82	142	29	7	56	30	0	29	0	0	489	209	44	19	.323	.366	.475	.841	78	17	.383	116	10.8
20	Roy Johnson R. Johnson	8	1931	DET	151	621	107	173	37	19	54	72	2	51	33	21	697	272	64	2	.279	.355	.438	.793	100	13.8	.364	103	3.2
21	Joe Kuhel J. Kuhel	8	1931	WSH	139	524	70	141	34	8	85	47	5	45	7	5	578	215	50	2	.269	.335	.410	.745	74	2.1	.344	96	-3.1
22	Tony Lazzeri T. Lazzeri	8	1931	NYY	135	484	67	129	27	7	83	79	1	80	18	9	568	194	42	4	.267	.371	.401	.771	80	10.2	.362	109	7.2
23	Bing Miller B. Miller	8	1931	PHA	137	534	75	150	43	5	77	36	10	16	5	3	585	227	56	5	.281	.338	.425	.763	78	5.3	.350	97	-2.1
24	Joe Vosmik J. Vosmik	7	1931	CLE	149	591	80	189	36	14	117	38	2	30	7	7	640	274	57	9	.320	.363	.464	.827	98	19.2	.377	109	7.8
25	Charlie Berry C. Berry	6	1931	BSA	111	357	41	101	16	2	49	29	0	38	4	0	387	139	24	1	.283	.337	.389	.726	47	-0.7	.337	92	-4.2