Keldon Johnson had his most rebounds in a game against the Cavaliers on March 19, 2021, with 21 rebounds.

Interpreted as:

Keldon Johnson 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	Keldon Johnson K. Johnson	21	3/19/2021	SAS	@	CLE	39	23	2	1	2	9	19	47.4	0	1	0.0	5	7	71.4	52.1	11	10	2	5	+12
2	Keldon Johnson K. Johnson	16	1/26/2024	SAS	vs	POR	30	21	1	1	2	9	15	60.0	0	2	0.0	3	4	75.0	62.6	8	8	1	2	+8
3	Keldon Johnson K. Johnson	14	11/26/2021	SAS	vs	BOS	38	17	2	2	0	7	12	58.3	1	2	50.0	2	4	50.0	61.8	3	11	1	1	+12
4	Keldon Johnson K. Johnson	14	1/22/2021	SAS	vs	DAL	35	17	3	0	0	7	14	50.0	0	3	0.0	3	4	75.0	53.9	3	11	2	6	-1
5	Keldon Johnson K. Johnson	12	11/16/2025	SAS	vs	SAC	23	14	1	0	0	7	11	63.6	0	4	0.0	0	0		63.6	2	10	0	3	+8
6	Keldon Johnson K. Johnson	12	12/19/2023	SAS	@	MIL	35	28	1	0	0	9	13	69.2	0	1	0.0	10	12	83.3	76.6	2	10	5	2	-5
7	Keldon Johnson K. Johnson	12	11/24/2023	SAS	@	GSW	34	22	4	2	0	8	13	61.5	3	7	42.9	3	5	60.0	72.4	4	8	3	3	+5
8	Keldon Johnson K. Johnson	12	11/12/2023	SAS	vs	MIA	37	20	6	1	1	8	18	44.4	3	10	30.0	1	1	100.0	54.2	0	12	1	2	+7
9	Keldon Johnson K. Johnson	12	3/19/2023	SAS	vs	ATL	33	29	5	1	0	13	21	61.9	2	3	66.7	1	5	20.0	62.5	1	11	3	1	+14
10	Keldon Johnson K. Johnson	12	12/20/2021	SAS	@	LAC	32	12	1	1	0	5	13	38.5	2	3	66.7	0	0		46.2	4	8	2	1	+17
11	Keldon Johnson K. Johnson	12	11/10/2021	SAS	vs	SAC	32	8	4	3	1	3	7	42.9	1	1	100.0	1	4	25.0	45.7	4	8	0	1	+24
12	Keldon Johnson K. Johnson	11	1/8/2025	SAS	@	MIL	25	24	1	0	0	7	15	46.7	2	5	40.0	8	9	88.9	63.3	5	6	0	0	-17
13	Keldon Johnson K. Johnson	11	11/7/2024	SAS	vs	POR	31	17	3	0	0	6	13	46.2	2	5	40.0	3	4	75.0	57.6	2	9	0	4	+17
14	Keldon Johnson K. Johnson	11	3/9/2024	SAS	@	GSW	32	22	1	0	0	9	18	50.0	4	9	44.4	0	0		61.1	3	8	1	1	+4
15	Keldon Johnson K. Johnson	11	11/30/2023	SAS	vs	ATL	33	22	3	1	0	8	15	53.3	2	3	66.7	4	5	80.0	64.0	4	7	2	2	-1
16	Keldon Johnson K. Johnson	11	1/17/2023	SAS	vs	BKN	38	36	1	4	0	11	26	42.3	3	11	27.3	11	12	91.7	57.5	1	10	1	2	+17
17	Keldon Johnson K. Johnson	11	10/19/2022	SAS	vs	CHA	30	20	4	2	0	8	17	47.1	3	7	42.9	1	2	50.0	55.9	2	9	2	2	-11
18	Keldon Johnson K. Johnson	11	12/19/2021	SAS	@	SAC	32	16	1	2	0	5	14	35.7	2	5	40.0	4	4	100.0	50.8	2	9	2	2	-9
19	Keldon Johnson K. Johnson	11	10/30/2021	SAS	@	MIL	31	12	2	1	1	5	13	38.5	1	5	20.0	1	1	100.0	44.6	0	11	0	1	-6
20	Keldon Johnson K. Johnson	11	4/16/2021	SAS	vs	POR	25	8	0	2	0	4	8	50.0	0	1	0.0	0	0		50.0	3	8	0	3	+12
21	Keldon Johnson K. Johnson	11	4/12/2021	SAS	@	ORL	24	4	5	0	1	2	6	33.3	0	1	0.0	0	2	0.0	29.1	2	9	1	3	+9
22	Keldon Johnson K. Johnson	11	1/5/2021	SAS	@	LAC	30	9	4	0	1	4	11	36.4	1	3	33.3	0	0		40.9	4	7	0	4	-14
23	Keldon Johnson K. Johnson	11	12/27/2020	SAS	@	NOP	31	14	5	1	2	5	10	50.0	2	5	40.0	2	2	100.0	64.3	2	9	2	3	+3
24	Keldon Johnson K. Johnson	11	8/11/2020	SAS	vs	HOU	26	24	3	0	0	8	12	66.7	3	3	100.0	5	5	100.0	84.5	1	10	2	1	+21
25	Keldon Johnson K. Johnson	10	10/24/2025	SAS	@	NOP	19	8	1	0	0	4	7	57.1	0	1	0.0	0	2	0.0	50.8	5	5	0	6	-13