The Washington Nationals launched their most home runs in a game on August 18, 2019, on July 27, 2017 and on July 30, 1978, with 8 home runs.

Interpreted as:

most home runs in a regular-season game for nationals all-time

	TEAM	HR	DATE	TM		OPP	RESULT	AB	R	H	2B	3B	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Nationals	8	8/18/2019	WSH	vs	MIL	W 16-8	40	16	19	2	1	16	4	0	3	0	0	46	47	11	2	0	0	1	.475	.523	1.175	1.698
2	Nationals	8	7/27/2017	WSH	vs	MIL	W 15-2	42	15	19	5	0	15	5	0	9	1	0	48	48	13	1	0	0	0	.452	.511	1.143	1.653
3	Expos	8	7/30/1978	MON	@	ATL	W 19-0	51	19	28	6	0	19	3	1	6	0	0	57	58	14	1	1	0	1	.549	.571	1.137	1.709
4	Nationals	7	6/29/2018	WSH	@	PHI	W 17-7	44	17	18	3	0	17	7	0	12	1	0	52	42	10	0	1	0	0	.409	.481	.955	1.435
5	Nationals	7	4/30/2017	WSH	vs	NYM	W 23-5	46	23	23	4	0	23	6	0	6	0	0	54	48	11	1	1	3	0	.500	.547	1.043	1.591
6	Nationals	6	9/26/2025	WSH	vs	CWS	L 9-10	38	9	13	1	0	9	1	0	11	0	0	39	32	7	0	0	0	2	.342	.359	.842	1.201
7	Nationals	6	7/19/2021	WSH	vs	MIA	W 18-1	41	18	18	3	1	18	2	1	6	0	0	44	41	10	0	0	0	1	.439	.477	1.000	1.477
8	Nationals	6	7/3/2016	WSH	vs	CIN	W 12-1	37	12	15	1	0	12	5	1	7	0	0	44	34	7	1	0	0	1	.405	.488	.919	1.407
9	Nationals	6	8/29/2014	WSH	@	SEA	W 8-3	38	8	14	1	0	8	2	0	2	0	0	41	33	7	0	1	0	2	.368	.390	.868	1.259
10	Nationals	6	9/5/2012	WSH	vs	CHC	W 9-1	36	9	13	1	0	9	8	0	7	1	0	44	32	7	0	0	2	1	.361	.477	.889	1.366
11	Nationals	6	9/4/2012	WSH	vs	CHC	W 11-5	42	11	19	5	0	11	2	0	8	1	0	44	42	11	0	0	0	0	.452	.477	1.000	1.477
12	Nationals	6	5/20/2011	WSH	@	BAL	W 17-5	45	17	19	0	2	17	5	2	9	0	0	52	41	8	0	0	0	1	.422	.500	.911	1.411
13	Expos	6	8/21/2002	MON	@	COL	W 13-5	39	13	14	6	0	12	4	1	6	1	0	45	38	12	0	1	0	0	.359	.422	.974	1.397
14	Expos	6	8/23/1997	MON	@	CHC	W 9-5	40	9	13	1	1	8	2	0	6	0	0	42	34	8	0	0	0	0	.325	.357	.850	1.207
15	Expos	6	5/4/1997	MON	@	SDP	W 9-3	44	9	17	1	0	9	3	0	10	0	0	47	36	7	0	0	0	0	.386	.426	.818	1.244
16	Nationals	5	6/21/2025	WSH	@	LAD	W 7-3	34	7	10	3	0	7	3	0	9	1	0	40	28	8	2	1	1	0	.294	.342	.824	1.166
17	Nationals	5	5/18/2025	WSH	@	BAL	W 10-4	38	10	13	3	0	10	0	1	10	1	1	40	31	8	0	1	0	0	.342	.350	.816	1.166
18	Nationals	5	9/29/2023	WSH	@	ATL	W 10-6	40	10	10	1	0	8	2	0	8	2	0	42	26	6	0	0	0	0	.250	.286	.650	.936
19	Nationals	5	5/31/2023	WSH	@	LAD	W 10-6	39	10	12	3	0	10	3	2	7	2	0	44	30	8	0	0	1	1	.308	.386	.769	1.156
20	Nationals	5	6/3/2022	WSH	@	CIN	W 8-5	40	8	12	2	0	8	2	0	9	0	0	42	29	7	0	0	0	0	.300	.333	.725	1.058
21	Nationals	5	6/28/2021	WSH	vs	NYM	W 8-4	35	8	11	3	0	8	3	0	4	0	0	38	29	8	0	0	2	1	.314	.368	.829	1.197
22	Nationals	5	9/20/2020	WSH	@	MIA	W 15-0	39	15	18	6	0	15	4	0	2	0	0	43	39	11	0	0	0	1	.462	.512	1.000	1.512
23	Nationals	5	7/31/2018	WSH	vs	NYM	W 25-4	50	25	26	5	2	25	8	1	6	2	0	59	50	12	0	0	1	0	.520	.593	1.000	1.593
24	Nationals	5	7/16/2017	WSH	@	CIN	W 14-4	44	14	17	3	0	14	3	1	11	1	0	48	35	8	0	0	0	0	.386	.438	.795	1.233
25	Nationals	5	6/2/2017	WSH	@	OAK	W 13-3	47	13	20	3	1	13	3	0	6	1	0	50	40	9	0	0	0	0	.426	.460	.851	1.311