Ed Davis has gotten the most career rebounds by a player off the bench, with 3,829 rebounds.

most rebounds by a player off the bench in nba history

NAME	REB	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	AST	STL	BLK	TOV	PF	+/-
Ed Davis	3,829	616	17.5	5.4	6.2	0.7	0.5	0.7	0.7	2.2	3.9	57.5	0.0	0.0	0.0	1.0	1.7	58.0	10,786	3,326	411	284	450	425	1,446	-393
Detlef Schrempf	3,461	612	24.5	11.5	5.7	2.6	0.6	0.3	1.7	3.9	7.9	48.9	0.2	0.6	34.7	3.6	4.4	80.7	15,014	7,046	1,615	374	161	1,045	1,731	+155
Thurl Bailey	3,316	699	25.2	12.4	4.7	1.3	0.4	1.1	1.4	4.9	10.5	47.1	0.0	0.0	10.3	2.6	3.2	81.0	17,616	8,695	896	305	778	1,013	1,262	+20
Nick Collison	3,245	733	18.4	5.0	4.4	1.0	0.5	0.5	0.9	2.1	3.9	53.7	0.0	0.1	22.1	0.8	1.2	70.9	13,490	3,699	736	342	344	624	1,916	+1499
Chris Andersen	3,198	650	17.3	5.3	4.9	0.5	0.4	1.5	0.7	1.9	3.6	53.4	0.0	0.1	21.7	1.5	2.3	65.3	11,231	3,464	307	279	948	478	1,254	+682
Enes Kanter Freedom	3,147	489	17.8	9.3	6.4	0.6	0.3	0.5	1.3	3.7	6.9	54.2	0.0	0.2	25.0	1.8	2.3	77.0	8,691	4,545	312	169	222	617	909	+157
Chris Gatling	3,132	614	18.7	9.9	5.1	0.6	0.6	0.5	1.5	3.8	7.5	50.9	0.1	0.3	24.5	2.2	3.3	66.8	11,505	6,079	381	391	309	894	1,592	-421
Dennis Rodman	3,027	338	23.9	7.0	9.0	1.2	0.6	0.6	1.4	2.9	5.3	54.9	0.0	0.2	14.3	1.1	2.0	56.8	8,076	2,358	409	194	191	463	1,001	+119
Bobby Portis	2,943	459	20.9	11.0	6.4	1.2	0.5	0.3	1.0	4.5	9.3	48.3	1.0	2.5	38.3	1.1	1.4	74.6	9,580	5,048	538	251	142	458	826	-246
Kevin McHale	2,911	441	27.7	15.9	6.6	1.5				6.2	11.5	54.3	0.1	0.2	29.9	3.3	4.2	80.3	12,216	7,019	640				1,120
Malik Rose	2,849	728	15.4	5.7	3.9	0.8	0.6	0.4	1.2	2.1	4.7	43.5	0.0	0.1	15.8	1.6	2.2	74.0	11,233	4,185	556	425	255	888	1,647	+353
Donyell Marshall	2,683	535	20.0	8.3	5.0	0.9	0.6	0.7	1.0	3.0	7.3	41.4	1.0	2.9	34.9	1.2	1.6	71.6	10,689	4,414	478	316	354	536	967	-27
Cliff Levingston	2,672	614	17.2	5.8	4.4	0.8				2.3	4.6	50.3	0.0			1.2	1.9	66.5	10,556	3,586	461				1,536
Chris Dudley	2,646	555	14.5	3.2	4.8	0.4	0.3	0.9	0.7	1.2	3.0	41.2	0.0	0.0	0.0	0.7	1.5	47.0	8,054	1,777	203	162	520	385	1,247	+63
Joe Kleine	2,630	761	12.9	3.9	3.5	0.5	0.2	0.2	0.7	1.6	3.5	44.7	0.0	0.1	29.5	0.7	0.9	78.6	9,793	2,960	404	174	178	532	1,362	-201
Kevin Willis	2,602	533	17.3	6.9	4.9	0.4	0.4	0.4	1.1	2.8	6.1	45.8	0.0	0.1	16.7	1.3	1.9	70.3	9,234	3,695	231	232	228	594	1,288	-574
Al Harrington	2,598	536	24.0	11.2	4.8	1.2	0.7	0.2	1.6	4.2	9.5	44.3	0.9	2.6	34.0	1.9	2.6	74.1	12,883	6,024	647	377	128	846	1,529	+244
Taj Gibson	2,541	515	20.1	7.2	4.9	0.8	0.4	1.0	1.0	2.9	5.8	49.4	0.0	0.2	25.3	1.4	1.9	71.5	10,337	3,696	412	225	506	502	1,169	+690
Zaza Pachulia	2,534	582	15.7	5.1	4.4	0.8	0.5	0.3	0.9	1.7	3.8	45.6	0.0	0.0	0.0	1.7	2.2	75.0	9,135	2,987	490	285	167	552	1,320	-236
Antoine Carr	2,494	819	17.9	8.1	3.0	1.0	0.3	0.8	1.1	3.2	6.4	49.8	0.0	0.0	16.2	1.7	2.1	78.1	14,661	6,595	809	267	662	888	2,416	+23
Anderson Varejao	2,478	423	20.1	5.8	5.9	0.9	0.7	0.6	0.7	2.2	4.3	50.8	0.0	0.1	3.7	1.4	2.2	60.8	8,520	2,442	371	306	247	316	1,051	+1052
Robert Horry	2,478	627	19.2	5.0	4.0	1.5	0.8	0.8	0.9	1.8	4.4	39.9	0.6	1.8	34.3	0.9	1.2	71.5	12,039	3,136	961	479	471	542	1,355	+1904
Danny Schayes	2,454	649	15.0	5.6	3.8	0.8			1.0	1.8	3.9	47.3	0.0	0.0	11.1	1.9	2.4	79.6	9,716	3,616	516			657	1,659	+11
Kris Humphries	2,432	597	14.1	5.4	4.1	0.5	0.3	0.4	0.7	2.1	4.6	45.5	0.1	0.2	29.1	1.2	1.7	67.8	8,446	3,219	321	200	250	408	971	-822
A.C. Green	2,422	446	21.7	7.1	5.4	0.7	0.6	0.3	0.9	2.6	5.3	48.5	0.1	0.3	22.4	1.8	2.6	70.4	9,676	3,145	325	262	127	410	745	-31