Sammy Sosa hit the most homers in June 1998, with 20 home runs.

	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	Sammy Sosa S. Sosa	20	June 1998	27	114	25	34	2	0	40	6	0	27	0	2	121	96	22	0	1	0	3	.298	.331	.842	1.173
2	Ken Griffey Jr. K. Griffey Jr.	14	June 1998	28	110	23	29	3	0	25	14	1	23	3	0	126	74	17	0	1	4	4	.264	.349	.673	1.022
3	Rafael Palmeiro R. Palmeiro	12	June 1998	28	115	21	41	6	1	29	10	1	20	1	3	126	85	19	0	0	0	2	.357	.413	.739	1.152
4	Jeff Bagwell J. Bagwell	10	June 1998	27	104	32	35	10	0	28	17	2	16	1	1	123	75	20	0	0	4	1	.337	.439	.721	1.160
5	Tony Clark T. Clark	10	June 1998	27	106	17	34	6	0	23	11	0	20	0	1	117	70	16	0	0	1	2	.321	.385	.660	1.045
6	Carlos Delgado C. Delgado	10	June 1998	27	107	24	32	9	1	24	13	2	33	1	0	124	73	20	0	2	1	1	.299	.379	.682	1.061
7	Mark McGwire M. McGwire	10	June 1998	24	83	20	26	3	0	19	19	3	17	0	0	105	59	13	0	0	7	1	.313	.457	.711	1.168
8	Greg Vaughn G. Vaughn	10	June 1998	27	101	24	31	8	0	24	16	1	16	0	0	119	69	18	0	1	0	1	.307	.403	.683	1.087
9	Jeromy Burnitz J. Burnitz	8	June 1998	27	100	21	27	4	1	19	14	1	25	1	0	117	57	13	1	1	2	3	.270	.362	.570	.932
10	Andres Galarraga A. Galarraga	8	June 1998	21	79	16	24	4	0	20	3	6	18	0	1	89	52	12	0	1	0	0	.304	.371	.658	1.029
11	Travis Lee T. Lee	8	June 1998	27	110	15	37	4	0	18	14	0	15	1	0	124	65	12	0	0	1	1	.336	.411	.591	1.002
12	Mike Stanley M. Stanley	8	June 1998	24	83	19	27	4	0	16	9	1	18	0	0	94	55	12	0	1	0	1	.325	.394	.663	1.056
13	Jim Thome J. Thome	8	June 1998	25	91	19	32	8	1	25	20	0	27	0	0	111	66	17	0	0	0	2	.352	.468	.725	1.194
14	Moises Alou M. Alou	7	June 1998	26	103	17	27	1	0	18	6	1	12	0	0	112	49	8	0	2	0	2	.262	.304	.476	.779
15	Eric Karros E. Karros	7	June 1998	26	95	11	28	4	0	27	8	3	17	0	0	107	53	11	0	1	0	0	.295	.364	.558	.922
16	Javy Lopez J. Lopez	7	June 1998	21	81	17	28	4	1	18	5	1	9	0	0	88	55	12	1	0	0	3	.346	.391	.679	1.070
17	Albert Belle A. Belle	7	June 1998	28	112	22	33	2	1	23	12	0	16	1	0	125	58	10	0	1	0	3	.295	.360	.518	.878
18	Brant Brown B. Brown	7	June 1998	22	82	13	23	2	2	14	6	0	23	1	1	89	50	11	0	1	0	0	.280	.326	.610	.936
19	Jose Canseco J. Canseco	7	June 1998	22	80	19	18	2	0	12	15	1	22	7	6	96	41	9	0	0	1	1	.225	.354	.513	.867
20	Cecil Fielder C. Fielder	7	June 1998	26	95	17	28	2	0	29	14	2	27	0	0	112	51	9	0	1	1	4	.295	.393	.537	.930
21	Juan Gonzalez J. Gonzalez	7	June 1998	28	109	16	28	6	1	25	10	0	25	0	1	122	57	14	0	3	3	6	.257	.311	.523	.834
22	Bobby Higginson B. Higginson	7	June 1998	28	111	23	36	6	2	14	12	2	18	0	1	125	67	15	0	0	1	5	.324	.400	.604	1.004
23	Alex Rodriguez A. Rodriguez	7	June 1998	28	119	18	39	3	0	24	7	3	21	12	4	129	63	10	0	0	0	3	.328	.380	.529	.909
24	Henry Rodriguez H. Rodriguez	7	June 1998	23	76	10	17	4	0	18	8	0	21	0	0	85	42	11	0	1	1	2	.224	.294	.553	.847
25	Rondell White R. White	7	June 1998	26	97	17	32	7	0	19	4	3	15	3	2	104	60	14	0	0	0	3	.330	.375	.619	.994