Randy Arozarena has launched the most home runs in a postseason, with 10 homers in his rookie season in 2020.

Interpreted as:

most home runs by a player in one year of playoffs

	NAME	HR	SEASON	TM	G	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Randy Arozarena R. Arozarena	10	2020	TBR	20	77	19	29	3	1	14	8	1	19	0	2	86	64	14	0	0	2	2	.377	.442	.831	1.273
2	Adolis García A. García	8	2023	TEX	15	62	11	20	1	0	22	3	3	18	2	0	68	45	9	0	0	0	0	.323	.382	.726	1.108
3	Corey Seager C. Seager	8	2020	LAD	18	67	20	22	4	0	20	11	1	12	2	0	80	50	12	0	1	0	1	.328	.425	.746	1.171
4	Nelson Cruz N. Cruz	8	2011	TEX	17	62	13	14	2	0	16	7	1	14	0	1	70	40	10	0	0	1	2	.226	.314	.645	.959
5	Carlos Beltran C. Beltran	8	2004	HOU	12	46	21	20	3	0	14	9	1	8	6	0	56	47	11	0	0	1	0	.435	.536	1.022	1.557
6	Barry Bonds B. Bonds	8	2002	SFG	17	45	18	16	2	1	16	27	0	6	0	1	74	44	11	0	2	13	0	.356	.581	.978	1.559
7	Giancarlo Stanton G. Stanton	7	2024	NYY	14	55	9	15	3	0	16	6	0	11	1	0	62	39	10	0	1	1	1	.273	.339	.709	1.048
8	Jose Altuve J. Altuve	7	2017	HOU	18	71	14	22	2	0	14	9	0	14	2	0	80	45	9	0	0	2	3	.310	.388	.634	1.021
9	Daniel Murphy D. Murphy	7	2015	NYM	14	58	13	19	2	0	11	6	0	13	1	1	64	42	9	0	0	1	1	.328	.391	.724	1.115
10	Jayson Werth J. Werth	7	2009	PHI	15	51	13	14	0	1	13	11	0	18	0	0	62	37	8	0	0	2	2	.275	.403	.725	1.129
11	B.J. Upton	7	2008	TBR	16	66	16	19	1	1	16	5	0	16	6	0	72	43	9	0	1	1	4	.288	.333	.652	.985
12	Troy Glaus T. Glaus	7	2002	ANA	16	61	15	21	3	1	13	7	1	14	0	0	69	47	11	0	0	2	1	.344	.420	.770	1.191
13	Shohei Ohtani S. Ohtani	6	2025	LAD	12	49	9	11	0	1	11	8	0	19	1	0	57	31	7	0	0	4	0	.224	.333	.633	.966
14	Vladimir Guerrero Jr. V. Guerrero Jr.	6	2025	TOR	13	51	12	22	3	0	12	7	1	4	0	0	60	43	9	0	1	4	0	.431	.500	.843	1.343
15	Corey Seager C. Seager	6	2023	TEX	17	66	18	21	6	0	12	15	1	12	0	0	82	45	12	0	0	2	0	.318	.451	.682	1.133
16	Yordan Alvarez Y. Alvarez	6	2023	HOU	11	43	12	20	2	1	15	4	1	14	0	0	49	42	9	0	1	2	0	.465	.510	.977	1.487
17	Bryce Harper B. Harper	6	2022	PHI	17	63	12	22	7	0	13	6	1	14	1	0	71	47	13	1	0	1	3	.349	.414	.746	1.160
18	Rhys Hoskins R. Hoskins	6	2022	PHI	17	69	9	11	1	0	12	4	0	24	0	0	73	30	7	0	0	0	2	.159	.205	.435	.640
19	Kyle Schwarber K. Schwarber	6	2022	PHI	17	55	13	12	0	0	10	15	2	18	3	0	74	30	6	0	2	3	0	.218	.392	.545	.937
20	Carlos Correa C. Correa	6	2020	HOU	13	47	7	17	1	0	17	8	0	11	0	0	55	36	7	0	0	1	3	.362	.455	.766	1.221
21	Giancarlo Stanton G. Stanton	6	2020	NYY	7	26	7	8	1	0	13	4	0	10	0	0	31	27	7	0	1	0	1	.308	.387	1.038	1.426
22	George Springer G. Springer	6	2017	HOU	18	72	13	21	5	0	9	11	0	19	0	0	83	44	11	0	0	1	2	.292	.386	.611	.997
23	Pablo Sandoval P. Sandoval	6	2012	SFG	16	66	9	24	5	0	13	3	0	8	0	0	70	47	11	0	1	1	2	.364	.386	.712	1.098
24	Nelson Cruz N. Cruz	6	2010	TEX	16	60	13	19	7	0	11	3	0	17	1	0	63	44	13	0	0	1	1	.317	.349	.733	1.083
25	Alex Rodriguez A. Rodriguez	6	2009	NYY	15	52	15	19	5	0	18	12	3	13	2	0	68	42	11	0	1	3	0	.365	.500	.808	1.308