Moses Malone has the most offensive rebounds in a game, with 21 rebounds versus the Seattle SuperSonics on February 11, 1982.

Interpreted as:

most orbs by a player in a single regular-season game

	NAME	OREB	DATE	TM		OPP	MIN	PTS	REB	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	DREB	TOV	PF	+/-
1	Moses Malone M. Malone	21	2/11/1982	HOU	vs	SEA	44	38	32	2	3	0	17	35	48.6	0	0		4	7	57.1	49.9	11	4	3
2	Moses Malone M. Malone	19	2/9/1979	HOU	@	NOJ	44	33	37	2	1	2	12	24	50.0				9	13	69.2	55.5	18		3
3	Zaza Pachulia Z. Pachulia	18	3/20/2015	MIL	@	BKN	40	22	21	7	1	0	9	16	56.3	0	0		4	4	100.0	61.9	3	3	4	+6
4	Dennis Rodman D. Rodman	18	3/4/1992	DET	vs	IND	45	10	34	3	2	0	4	15	26.7	0	1	0.0	2	4	50.0	29.8	16	2	5
5	Charles Oakley C. Oakley	18	3/15/1986	CHI	vs	MIL	44	35	26	7	3	1	14	27	51.9	0	0		7	9	77.8	56.5	8	4	3
6	Jayson Williams J. Williams	17	10/31/1997	NJN	vs	IND	40	18	20	1	3	2	8	18	44.4	0	0		2	6	33.3	43.6	3	3	2	+1
7	Andray Blatche A. Blatche	16	4/1/2011	WAS	vs	CLE	40	36	19	4	1	1	15	32	46.9	0	0		6	9	66.7	50.1	3	4	3	+7
8	Kevin Willis K. Willis	16	2/19/1992	ATL	vs	WAS	45	20	33	1	2	4	10	27	37.0	0	0		0	2	0.0	35.9	17	3	3
9	Terry Cummings T. Cummings	16	2/28/1990	SAS	@	GSW	39	28	24	1	2	1	12	31	38.7	0	0		4	5	80.0	42.2	8	4	5
10	Charles Oakley C. Oakley	16	4/22/1988	CHI	vs	CLE	41	26	35	3	1	0	10	16	62.5	0	1	0.0	6	6	100.0	69.7	19	6	2
11	Charles Barkley C. Barkley	16	3/20/1987	PHI	vs	DEN	41	26	25	9	3	2	10	16	62.5	0	1	0.0	6	7	85.7	68.1	9	4	2
12	Charles Barkley C. Barkley	16	3/4/1987	PHI	vs	NYK	48	28	21	6	2	0	11	24	45.8	0	2	0.0	6	10	60.0	49.3	5	7	5
13	Larry Smith L. Smith	16	3/23/1986	GSW	vs	DEN	32	6	23	2	2	1	3	14	21.4	0	0		0	2	0.0	20.2	7	2	2
14	Moses Malone M. Malone	16	10/17/1979	HOU	vs	IND	40	44	29	0	1	2	16	22	72.7	0	0		12	14	85.7	78.1	13	8	3
15	Moses Malone M. Malone	16	11/16/1977	HOU	vs	BUF	42	36	29	2			13	23	56.5				10	13	76.9	62.7	13	3	1
16	Mark Williams M. Williams	15	11/10/2023	CHA	@	WAS	30	21	24	3	0	0	10	21	47.6	0	0		1	2	50.0	48.0	9	0	0	+19
17	Andre Drummond A. Drummond	15	3/11/2015	DET	@	GSW	34	22	25	0	2	2	11	23	47.8	0	0		0	2	0.0	46.1	10	3	3	-8
18	JJ Hickson	15	2/25/2014	DEN	vs	POR	30	16	25	1	1	1	6	16	37.5	0	0		4	6	66.7	42.9	10	4	4	+6
19	Dennis Rodman D. Rodman	15	12/23/1997	CHI	vs	LAC	42	9	25	4	0	1	4	8	50.0	0	0		1	2	50.0	50.7	10	2	4	+5
20	Jayson Williams J. Williams	15	1/9/1997	NJN	vs	MIN	38	18	23	1	2	1	6	14	42.9	0	0		6	11	54.5	47.8	8	2	1	+5
21	Larry Smith L. Smith	15	2/16/1991	HOU	vs	PHX	37	12	25	2	2	0	6	11	54.5	0	0		0	0		54.5	10	2	3
22	Hakeem Olajuwon H. Olajuwon	15	2/14/1985	HOU	@	NYK	44	30	25	0	3	3	10	20	50.0	0	0		10	18	55.6	53.7	10	4	5
23	Moses Malone M. Malone	15	3/25/1984	PHI	vs	BOS	46	32	27	1	0	1	11	25	44.0	0	0		10	12	83.3	52.8	12	7	3
24	Moses Malone M. Malone	15	12/15/1981	HOU	vs	PHX	44	35	21	0	2	3	13	24	54.2	0	0		9	11	81.8	60.7	6	6	3
25	Moses Malone M. Malone	15	4/7/1979	HOU	vs	SAS	39	29	26	0	2	3	11	22	50.0				7	7	100.0	57.8	11		3