Zion Williamson got his most boards in a game on December 2, 2022 and on April 9, 2021, with 15 boards.

Interpreted as:

Zion Williamson most rebounds in a regular-season game

	NAME	REB	DATE	TM		OPP	MIN	PTS	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF	+/-
1	Zion Williamson Z. Williamson	15	12/2/2022	NOP	@	SAS	34	30	8	2	1	9	14	64.3	0	2	0.0	12	13	92.3	76.1	4	11	3	1	+28
2	Zion Williamson Z. Williamson	15	4/9/2021	NOP	vs	PHI	35	37	8	0	0	15	28	53.6	0	1	0.0	7	11	63.6	56.3	3	12	2	2	+2
3	Zion Williamson Z. Williamson	14	1/17/2025	NOP	vs	UTA	23	24	6	0	3	11	21	52.4	0	0		2	5	40.0	51.7	8	6	2	4	+5
4	Zion Williamson Z. Williamson	14	4/24/2021	NOP	vs	SAS	38	33	2	0	0	13	23	56.5	0	0		7	13	53.8	57.5	5	9	2	3	-2
5	Zion Williamson Z. Williamson	14	2/27/2021	NOP	@	SAS	35	23	5	0	1	8	15	53.3	0	0		7	11	63.6	58.0	8	6	4	1	+4
6	Zion Williamson Z. Williamson	14	12/25/2020	NOP	@	MIA	38	32	1	1	0	11	20	55.0	0	1	0.0	10	15	66.7	60.2	4	10	3	1	-13
7	Zion Williamson Z. Williamson	12	10/30/2024	NOP	@	GSW	33	12	4	0	1	5	20	25.0	0	1	0.0	2	7	28.6	26.0	6	6	4	3	-16
8	Zion Williamson Z. Williamson	12	3/8/2024	NOP	@	PHI	35	23	4	2	3	7	14	50.0	0	1	0.0	9	9	100.0	64.0	2	10	1	2	+13
9	Zion Williamson Z. Williamson	12	10/30/2022	NOP	@	LAC	31	21	7	1	0	9	17	52.9	0	0		3	4	75.0	56.0	3	9	1	1	+19
10	Zion Williamson Z. Williamson	12	5/4/2021	NOP	vs	GSW	37	23	7	4	0	8	17	47.1	0	0		7	8	87.5	56.0	6	6	6	1	+15
11	Zion Williamson Z. Williamson	12	1/15/2021	NOP	@	LAL	34	21	4	0	1	9	19	47.4	0	0		3	6	50.0	48.5	3	9	4	3	-15
12	Zion Williamson Z. Williamson	11	1/25/2025	NOP	@	CHA	26	28	2	1	1	11	20	55.0	0	0		6	8	75.0	59.5	3	8	4	4	-20
13	Zion Williamson Z. Williamson	11	10/25/2024	NOP	@	POR	29	16	7	1	3	4	15	26.7	0	1	0.0	8	14	57.1	37.8	3	8	1	3	+7
14	Zion Williamson Z. Williamson	11	12/26/2023	NOP	vs	MEM	36	23	1	1	0	7	17	41.2	0	0		9	12	75.0	51.6	2	9	6	5	+4
15	Zion Williamson Z. Williamson	11	12/15/2023	NOP	@	CHA	30	21	4	0	0	9	16	56.3	0	0		3	4	75.0	59.1	3	8	1	4	-1
16	Zion Williamson Z. Williamson	11	11/23/2022	NOP	@	SAS	27	32	1	2	1	14	18	77.8	0	2	0.0	4	8	50.0	74.3	4	7	1	1	+20
17	Zion Williamson Z. Williamson	11	1/23/2021	NOP	@	MIN	38	19	3	1	1	6	16	37.5	0	1	0.0	7	9	77.8	47.6	4	7	2	3	-4
18	Zion Williamson Z. Williamson	11	12/27/2020	NOP	vs	SAS	38	18	0	5	1	7	22	31.8	0	1	0.0	4	7	57.1	35.9	5	6	1	3	-1
19	Zion Williamson Z. Williamson	11	1/26/2020	NOP	vs	BOS	27	21	2	1	0	9	16	56.3	0	1	0.0	3	8	37.5	53.8	7	4	4	4	+2
20	Zion Williamson Z. Williamson	10	3/11/2025	NOP	vs	LAC	33	22	12	0	1	8	13	61.5	0	0		6	6	100.0	70.3	1	9	5	2	+6
21	Zion Williamson Z. Williamson	10	3/6/2025	NOP	vs	HOU	32	20	3	1	2	5	15	33.3	0	0		10	12	83.3	49.3	4	6	4	3	-18
22	Zion Williamson Z. Williamson	10	2/27/2025	NOP	@	PHX	31	27	11	0	2	13	17	76.5	0	0		1	4	25.0	72.0	4	6	2	1	+17
23	Zion Williamson Z. Williamson	10	4/7/2024	NOP	@	PHX	40	29	7	1	5	11	21	52.4	0	0		7	8	87.5	59.1	3	7	4	2	+7
24	Zion Williamson Z. Williamson	10	3/16/2024	NOP	vs	POR	34	26	3	1	1	11	17	64.7	0	0		4	5	80.0	67.7	2	8	3	2	+21
25	Zion Williamson Z. Williamson	10	12/28/2023	NOP	vs	UTA	30	21	8	0	1	10	14	71.4	0	0		1	3	33.3	68.5	1	9	0	2	+7