I don't have anything for this season, but Dereck Lively II had the most offensive rebounds in the 2024 playoffs, with 57 rebounds.

Interpreted as:

most offensive rebounds by a player this playoffs

	NAME	OREB	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	DREB	TPG	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
1	Dereck Lively II D. Lively II	57	21	22.0	7.9	7.4	1.3	0.4	1.0	3.0	4.5	67.4	0.0	0.0	100.0	1.7	2.9	59.0	67.7	4.7	1.0	462	165	156	27	9	20	21	48	+98
2	Isaiah Hartenstein I. Hartenstein	49	13	29.8	8.5	7.8	3.5	0.3	0.9	3.5	5.8	59.2	0.1	0.2	50.0	1.5	1.7	86.4	64.2	4.1	1.5	388	110	102	46	4	12	19	41	-71
3	Nikola Jokić N. Jokić	43	12	40.2	28.7	13.4	8.7	1.4	0.7	11.1	20.3	54.5	1.2	4.4	26.4	5.3	5.9	90.1	62.5	9.8	3.3	482	344	161	104	17	8	40	32	+11
4	Pascal Siakam P. Siakam	42	17	35.5	21.6	7.5	3.8	0.8	0.4	9.2	17.1	54.1	0.8	2.8	29.8	2.3	3.7	61.9	57.8	5.1	1.1	603	367	128	64	13	7	19	48	+38
5	Daniel Gafford D. Gafford	42	22	20.2	9.0	5.5	0.7	0.3	1.5	3.5	5.6	63.4	0.0	0.0		1.9	3.0	63.1	65.0	3.6	0.9	445	197	122	15	6	33	19	38	-46
6	Rudy Gobert R. Gobert	40	15	34.1	12.1	9.8	1.6	0.9	1.0	4.3	6.9	61.5	0.0	0.0		3.5	5.3	67.1	65.2	7.1	1.5	512	181	147	24	14	15	23	55	+95
7	Jrue Holiday J. Holiday	37	19	37.9	13.2	6.1	4.4	1.1	0.6	5.1	10.2	50.3	1.8	4.6	40.2	1.1	1.2	95.5	61.7	4.2	1.5	720	250	116	83	21	12	29	40	+143
8	Josh Hart J. Hart	37	13	42.2	14.5	11.5	4.5	1.0	0.8	5.1	11.5	44.0	1.7	4.5	37.3	2.7	3.7	72.9	55.2	8.7	2.6	548	189	150	59	13	10	34	41	-45
9	Aaron Gordon A. Gordon	36	12	37.1	14.3	7.3	4.4	0.8	0.6	5.8	9.8	58.5	0.9	2.3	40.7	1.9	2.3	82.1	66.0	4.3	1.5	445	172	87	53	10	7	18	28	-46
10	Al Horford A. Horford	35	19	30.3	9.2	7.0	2.1	0.8	0.8	3.5	7.3	47.8	1.8	5.0	36.8	0.4	0.6	63.6	60.9	5.2	0.6	575	174	133	40	15	16	12	28	+140
11	Karl-Anthony Towns K. Towns	35	16	32.6	19.1	9.0	2.6	0.8	0.2	6.8	14.5	46.6	1.9	5.2	36.1	3.7	4.3	85.5	58.1	6.8	1.7	522	305	144	42	12	3	27	55	+18
12	Derrick Jones Jr. D. Jones Jr.	33	22	29.4	9.1	3.5	1.2	0.5	1.0	3.5	7.3	48.1	1.1	3.0	36.9	1.0	1.4	73.3	57.7	2.0	0.8	647	200	76	27	11	21	18	54	+43
13	P.J. Washington Jr.	33	22	35.7	13.0	6.6	1.4	0.7	0.8	4.5	10.6	42.7	2.1	6.1	34.8	1.8	2.5	70.9	55.4	5.1	1.5	785	286	145	31	16	17	32	67	+48
14	Evan Mobley E. Mobley	30	12	35.2	16.0	9.3	2.3	0.8	2.2	6.8	12.2	55.5	0.4	1.5	27.8	2.1	3.0	69.4	59.3	6.8	1.8	422	192	111	28	10	26	22	34	-32
15	Jaden McDaniels J. McDaniels	28	16	33.6	12.2	3.8	1.1	0.9	1.1	4.5	8.8	51.4	1.5	3.5	42.9	1.7	2.2	77.1	62.7	2.1	1.1	537	195	61	18	14	18	17	54	+67
16	Myles Turner M. Turner	26	17	32.4	17.0	6.6	2.1	0.5	1.5	6.2	12.1	51.7	2.3	5.1	45.3	2.2	2.9	76.0	63.7	5.1	1.9	550	289	113	36	8	25	33	44	+55
17	Mitchell Robinson M. Robinson	23	6	19.2	2.8	6.8	0.5	1.0	1.2	1.2	2.3	50.0	0.0	0.0		0.5	1.3	37.5	48.5	3.0	0.5	115	17	41	3	6	7	3	15	+30
18	Kyrie Irving K. Irving	22	22	40.0	22.1	3.7	5.1	1.0	0.3	8.5	18.1	46.7	2.4	6.2	39.0	2.8	3.3	84.9	56.6	2.7	2.3	879	487	81	113	23	7	51	62	+113
19	Jaylen Brown J. Brown	22	19	37.2	23.9	5.9	3.3	1.2	0.6	9.2	17.8	51.6	1.9	5.8	32.7	3.6	5.4	66.0	59.1	4.8	2.7	707	454	113	62	23	12	51	51	+88
20	Precious Achiuwa P. Achiuwa	22	9	20.4	5.2	4.2	0.6	0.4	1.3	2.3	4.8	48.8	0.0	0.3	0.0	0.6	1.4	38.5	48.2	1.8	0.4	184	47	38	5	4	12	4	20	-24
21	Josh Green J. Green	21	22	18.1	5.0	2.5	1.0	0.8	0.1	1.6	3.9	42.4	1.0	2.7	39.0	0.6	0.9	73.7	58.4	1.6	0.3	399	109	56	23	17	3	7	29	+3
22	Isaiah Jackson I. Jackson	21	15	10.3	3.8	3.2	0.5	0.2	0.9	1.5	2.9	53.5	0.0	0.0		0.7	1.2	61.1	56.0	1.8	0.3	154	57	48	7	3	13	4	24	-11
23	Joel Embiid J. Embiid	19	6	41.3	33.0	10.8	5.7	1.2	1.5	9.8	22.2	44.4	2.2	6.5	33.3	11.2	13.0	85.9	59.2	7.7	4.2	248	198	65	34	7	9	25	20	+46
24	Derrick White D. White	19	19	35.6	16.7	4.3	4.1	0.9	1.2	5.7	12.7	45.2	3.4	8.5	40.4	1.8	2.0	92.1	61.7	3.3	0.8	676	318	81	77	18	23	16	44	+67
25	Luke Kornet L. Kornet	19	13	10.2	3.0	3.2	0.5	0.1	0.4	1.1	1.6	66.7	0.0	0.0		0.8	1.0	84.6	73.0	1.7	0.5	133	39	41	7	1	5	6	11	-17