Wilt Chamberlain had the most games in the playoffs with 15+ rebounds, with 127 games.

most career playoff games by a player with 15 or more reb, minimum 10 games

NAME	GP	REB	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	AST	STL	BLK	TOV	PF	+/-
Wilt Chamberlain	127	3,175	47.4	20.9	25.0	4.5				8.2	15.3	54.0				4.4	9.9	44.4	6,018	2,655	574				330
Bill Russell	96	2,302		15.2	24.0	5.3				5.7	13.0	43.7				3.9	6.6	58.7		1,463	512				331
Wes Unseld	60	1,145	42.4	11.9	19.1	3.9				4.8	10.2	47.6	0.0	1.0	0.0	2.3	3.6	61.9	2,546	715	231				180
Kareem Abdul-Jabbar	58	1,097	44.0	30.4	18.9	3.8	1.7	3.7	3.8	12.6	24.0	52.2	0.0	0.0		5.3	7.4	72.0	2,552	1,765	218	49	106	46	200
Tim Duncan	56	972	42.5	25.6	17.4	3.9	0.7	2.8	3.1	9.5	19.1	49.7	0.0	0.2	16.7	6.5	9.8	66.5	2,381	1,432	219	40	159	172	159	+286
Shaquille O'Neal	55	987	41.7	28.8	17.9	3.2	0.5	2.8	3.3	11.3	20.0	56.5	0.0	0.0		6.2	12.5	49.7	2,295	1,585	175	28	156	183	177	+324
Dave Cowens	45	834	45.3	20.8	18.5	4.0				9.1	20.1	45.1				2.6	3.7	71.5	2,039	934	182				189
Dwight Howard	41	732	40.6	21.0	17.9	1.4	0.9	2.7	3.4	7.3	12.3	58.9	0.0	0.1	0.0	6.4	11.5	56.1	1,665	860	58	37	109	140	156	+85
Moses Malone	40	719	43.7	25.7	18.0	1.7		1.9		9.5	19.1	49.5	0.0	0.1	33.3	6.7	9.3	72.7	1,746	1,026	69		75		111
Charles Barkley	37	675	42.6	25.1	18.2	4.5	1.8	0.9	3.4	9.1	17.8	50.9	0.5	2.1	21.8	6.5	9.2	70.9	1,575	928	165	67	32	125	131	+56
Bill Bridges	36	698		15.6	19.4	2.9				6.3	14.7	42.8				3.0	4.7	63.9		560	104				150
Ben Wallace	35	633	41.9	10.3	18.1	1.5	2.1	2.3	1.4	3.9	7.8	49.8	0.0	0.1	0.0	2.5	5.7	44.0	1,465	360	54	73	81	50	92	+100
Dennis Rodman	33	593	38.2	9.8	18.0	1.5	0.8	0.7	2.5	4.0	8.2	49.3	0.0	0.3	11.1	1.7	2.7	63.3	1,260	324	51	26	23	81	131	+61
Nate Thurmond	33	677		17.2	20.5	3.5	0.0	0.0		6.6	15.9	41.6				4.0	6.0	66.5		567	116	0	0		106
Hakeem Olajuwon	28	479	43.6	30.8	17.1	3.5	1.9	3.5	3.5	12.5	23.3	53.8	0.0	0.3	12.5	5.6	7.4	76.0	1,220	861	99	52	97	98	110	-27
Dave DeBusschere	28	502	43.6	20.3	17.9	3.3				8.3	19.1	43.3				3.8	5.3	72.3	1,221	569	92				88
Elvin Hayes	27	479		26.2	17.7	2.3			2.6	10.6	22.6	47.1				5.0	7.8	63.5		708	63			39	106
Walt Bellamy	25	446		19.9	17.8	2.8				7.6	15.6	48.5				4.8	7.4	64.0		497	71				87
David Robinson	24	400	41.3	23.4	16.7	2.8	1.2	3.1	2.8	7.8	17.9	43.7	0.0	0.1	33.3	7.7	10.5	73.1	991	562	68	29	75	68	96	+92
Paul Silas	24	439		12.0	18.3	3.1				4.6	11.4	40.7				2.8	4.4	63.2		289	75				82
Elgin Baylor	23	404		28.8	17.6	4.6				11.2	25.5	44.0				6.3	8.1	78.5		662	105				73
Kevin Garnett	22	398	42.3	23.2	18.1	4.5	1.4	1.8	3.0	9.0	19.3	46.6	0.3	1.1	25.0	5.0	6.3	78.4	930	511	99	31	40	66	76	+14
Karl Malone	22	371	43.4	27.8	16.9	3.1	0.9	1.2	3.1	10.1	21.4	47.1	0.0	0.0	0.0	7.6	10.5	72.3	955	611	68	20	27	68	71	+25
Giannis Antetokounmpo	21	371	36.8	28.3	17.7	5.6	0.9	1.0	4.1	10.5	21.5	48.7	0.9	3.8	24.1	6.4	10.8	59.7	773	594	118	18	20	87	79	+115
Dirk Nowitzki	21	347	44.3	28.9	16.5	2.8	1.4	1.2	2.1	9.2	18.9	48.7	1.1	3.0	38.1	9.4	10.4	90.0	930	607	58	29	26	44	70	+57