Rudy York has smashed the most homers in the AL in a month, with 18 home runs in August 1937.

	NAME	HR	MONTH	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Rudy York R. York	18	August 1937	30	113	27	41	5	2	50	13	0	14	1		126	104	25	0				.363	.429	.920	1.349
2	Albert Belle A. Belle	17	September 1995	27	97	30	30	10	0	32	13	4	13	2	1	115	91	27	0	1	1	5	.309	.409	.938	1.347
3	Rudy York R. York	17	August 1943	31	112	29	40	4	0	43	21	0	19	0		134	95	21	1			2	.357	.459	.848	1.307
4	Babe Ruth B. Ruth	17	September 1927	27	103	29	39	3	1	43	19	0	15	3		126	95	21	4				.379	.475	.922	1.398
5	Edwin Encarnacion E. Encarnacion	16	May 2014	30	114	26	32	5	1	33	16	0	16	1	0	130	87	22	0	0	0	4	.281	.369	.763	1.132
6	Albert Belle A. Belle	16	July 1998	26	101	24	41	6	0	32	9	0	13	0	0	110	95	22	0	0	2	1	.406	.455	.941	1.395
7	Mickey Mantle M. Mantle	16	May 1956	31	116	35	48	6	0	35	23	0	15	4	0	140	102	22	0	1	2	0	.414	.507	.879	1.386
8	Hank Greenberg H. Greenberg	16	September 1946	27	94	26	30	4	0	39	21	0	18	0		115	82	20	0			3	.319	.443	.872	1.316
9	Shohei Ohtani S. Ohtani	15	June 2023	27	104	27	41	7	3	29	21	0	26	4	1	126	99	25	0	1	2	2	.394	.492	.952	1.444
10	Aaron Judge A. Judge	15	September 2017	27	90	29	28	7	0	32	28	0	32	2	0	121	80	22	0	3	1	1	.311	.463	.889	1.352
11	Alex Rodriguez A. Rodriguez	15	August 2003	29	106	30	36	5	2	31	21	2	17	5	1	130	90	22	0	1	3	3	.340	.454	.849	1.303
12	Rafael Palmeiro R. Palmeiro	15	August 1999	30	110	25	35	4	1	39	14	0	17	0	0	128	86	20	0	4	1	1	.318	.383	.782	1.165
13	Juan Gonzalez J. Gonzalez	15	July 1996	27	108	22	44	10	0	38	14	0	15	0	0	123	99	25	0	1	7	2	.407	.472	.917	1.388
14	Ken Griffey Jr. K. Griffey Jr.	15	May 1994	27	99	28	33	3	0	25	16	0	17	3	0	115	81	18	0	0	6	1	.333	.426	.818	1.244
15	Mark McGwire M. McGwire	15	May 1987	25	91	23	25	0	2	24	18	0	20	0	0	110	74	17	0	1	2	1	.275	.391	.813	1.204
16	Frank Howard F. Howard	15	May 1968	27	104	19	36	6	0	27	7	1	28	0	0	112	87	21	0	0	0	4	.346	.393	.837	1.229
17	Jim Gentile J. Gentile	15	August 1961	31	101	23	35	4	0	30	25	5	15	0	0	132	84	19	0	1	1	2	.347	.492	.832	1.324
18	Roger Maris R. Maris	15	June 1961	32	123	31	34	6	1	35	18	2	9	0	0	144	87	22	0	1	0	4	.276	.375	.707	1.082
19	Harmon Killebrew H. Killebrew	15	May 1959	30	110	28	30	2	1	28	17	2	23	1	2	129	79	18	0	0	0	2	.273	.380	.718	1.098
20	Hank Greenberg H. Greenberg	15	September 1940	27	96	34	38	7	2	38	26	0	13	2		122	94	24	0			0	.396	.525	.979	1.504
21	Harlond Clift H. Clift	15	August 1938	32	114	32	38	8	1	34	25	0	15	4		140	93	24	1				.333	.453	.816	1.269
22	Hank Greenberg H. Greenberg	15	July 1938	26	94	27	34	4	0	32	16	0	12	2		111	83	19	1				.362	.455	.883	1.338
23	Joe DiMaggio J. DiMaggio	15	July 1937	29	121	40	52	10	6	43	17	1	9	2		139	119	31	0				.430	.504	.983	1.487
24	Bob Johnson B. Johnson	15	June 1934	28	117	30	39	6	1	28	8	0	11	0		125	92	22	0				.333	.376	.786	1.162
25	Babe Ruth B. Ruth	15	June 1930	28	97	43	38	6	0	35	37	0	12	2		137	89	21	3				.392	.560	.918	1.477