Tina Charles has the most career rebounds by a player younger than 22, with 398 boards.

Interpreted as:

most rebounds before turning 22 years old by a player

	NAME	REB	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	AST	STL	BLK	TOV	PF	+/-
1	Tina Charles T. Charles	398	34	31.0	15.5	11.7	1.5	0.7	1.7	6.1	12.4	48.7	0.0	0.0	0.0	3.4	4.5	76.3	53.9	3.8	7.9	2.1	1,054	528	51	25	57	71	72	+10
2	Lauren Jackson L. Jackson	383	57	32.9	16.2	6.7	1.5	1.5	2.5	5.9	15.2	38.6	1.4	4.4	32.9	3.0	4.1	73.8	47.6	2.2	4.6	1.8	1,878	924	85	84	145	100	192	+50
3	Ann Wauters A. Wauters	378	83	24.1	9.0	4.6	1.3	0.6	0.7	3.4	6.2	54.7	0.0	0.1	0.0	2.1	2.7	80.5	60.5	1.5	3.1	2.0	1,998	743	108	53	58	170	200	+161
4	Aliyah Boston A. Boston	335	40	31.2	14.5	8.4	2.2	1.3	1.3	5.8	10.1	57.8	0.1	0.3	40.0	2.7	3.6	74.5	61.9	3.1	5.3	1.9	1,249	578	89	53	50	75	125	-53
5	Kiki Iriafen K. Iriafen	332	38	26.8	12.9	8.7	1.6	0.6	0.2	4.8	9.8	49.3	0.0	0.2	16.7	3.2	4.1	79.4	55.8	2.7	6.1	2.2	1,019	492	62	23	7	85	118	-7
6	Emma Meesseman E. Meesseman	324	68	21.0	7.2	4.8	1.9	1.0	0.9	3.1	6.3	49.4	0.0	0.1	0.0	1.0	1.1	88.2	53.1	1.8	3.0	1.3	1,429	491	128	67	58	90	138	+73
7	Liz Cambage L. Cambage	287	50	21.6	13.1	5.7	0.7	0.7	1.3	4.5	8.4	53.1	0.0	0.1	0.0	4.2	5.3	78.6	60.9	1.9	3.8	2.7	1,080	657	35	37	66	135	142	-179
8	Penny Taylor P. Taylor	270	62	23.7	10.0	4.4	1.8	1.2	0.4	3.5	8.8	40.2	1.0	3.0	32.6	2.0	2.4	83.1	50.9	1.4	3.0	1.5	1,469	621	112	72	22	96	112	+89
9	Svetlana Abrosimova S. Abrosimova	253	41	33.0	13.7	6.2	2.1	1.9	0.3	4.7	12.0	39.4	0.9	2.8	31.9	3.4	5.3	63.9	47.9	1.8	4.4	3.3	1,352	560	85	77	12	134	116	-56
10	Maria Stepanova M. Stepanova	250	67	12.7	5.5	3.7	0.6	0.3	1.2	2.2	4.7	46.6	0.0	0.0	50.0	1.2	1.9	62.4	50.4	1.4	2.3	1.1	852	371	39	20	82	74	157	+115
11	Chamique Holdsclaw C. Holdsclaw	246	31	34.3	16.9	7.9	2.4	1.2	0.9	6.5	14.9	43.7	0.2	0.9	17.2	3.7	4.8	77.3	49.7	2.4	5.5	3.5	1,065	525	74	37	27	108	67	-82
12	NaLyssa Smith N. Smith	243	30	30.9	13.8	8.1	1.4	0.5	0.2	5.1	12.1	42.1	1.2	3.1	38.3	2.4	3.9	60.7	49.8	2.3	5.8	2.4	926	413	42	15	7	72	86	-239
13	Breanna Stewart B. Stewart	234	25	35.1	18.6	9.4	3.4	1.2	2.0	6.2	13.9	44.3	1.4	4.2	33.3	4.9	6.0	81.5	56.2	1.2	8.2	2.4	878	466	86	31	50	61	67	+46
14	A'ja Wilson A. Wilson	233	28	30.7	20.4	8.3	2.5	0.7	1.6	7.3	16.0	45.3	0.0	0.0		5.9	7.6	77.5	52.7	2.1	6.3	1.5	859	571	70	20	46	42	56	-20
15	Dominique Malonga D. Malonga	195	42	14.3	7.7	4.6	0.9	0.4	0.7	3.5	6.3	55.1	0.1	0.4	22.2	0.7	1.2	56.9	56.6	1.3	3.4	1.1	600	323	36	17	28	48	87	-20
16	Candice Dupree C. Dupree	188	34	30.4	13.7	5.5	1.8	1.3	0.7	5.5	12.0	45.7	0.0	0.1	0.0	2.8	3.6	77.9	50.7	1.6	3.9	1.8	1,034	467	60	43	25	60	72	-336
17	Kelsey Bone K. Bone	185	34	19.5	6.9	5.4	0.7	0.4	0.4	2.9	6.3	46.0	0.0	0.0	0.0	1.1	1.7	63.2	48.7	2.1	3.3	1.5	663	234	25	12	12	52	87	-176
18	Awak Kuier A. Kuier	183	77	10.5	2.4	2.4	0.6	0.3	0.8	0.9	2.4	36.6	0.1	0.7	14.8	0.5	0.7	66.1	43.0	0.6	1.8	0.6	809	181	49	24	59	46	57	0
19	Imani McGee-Stafford I. McGee-Stafford	175	31	18.9	6.7	5.6	0.6	0.6	1.4	2.8	5.1	55.4	0.0	0.0		1.1	1.6	66.0	57.8	1.7	3.9	0.9	587	207	18	19	42	28	94	+63
20	Sonia Citron S. Citron	174	44	32.2	14.9	4.0	2.4	1.3	0.4	5.1	10.8	47.0	1.8	4.1	44.5	3.0	3.4	87.2	60.9	0.7	3.3	2.1	1,415	657	104	55	17	91	94	-109
21	Shakira Austin S. Austin	169	28	20.7	7.7	6.0	0.8	0.8	0.8	3.0	5.8	52.8	0.0	0.0	0.0	1.6	2.6	63.0	55.9	1.6	4.4	1.4	580	216	22	22	22	38	63	+104
22	DeWanna Bonner D. Bonner	158	26	21.6	11.3	6.1	0.4	0.6	0.8	3.9	8.5	45.9	0.0	0.4	10.0	3.5	4.4	80.0	54.5	2.2	3.9	1.2	561	295	10	16	20	31	49	+27
23	Tracy Reid T. Reid	157	30	32.2	13.8	5.2	1.5	1.3	0.4	5.0	10.3	48.7	0.0	0.1	0.0	3.7	6.0	61.3	53.0	2.0	3.2	2.4	965	413	46	40	12	71	59	+52
24	Quanitra Hollingsworth Q. Hollingsworth	154	59	10.5	3.5	2.6	0.2	0.3	0.2	1.1	2.7	40.8	0.0	0.0		1.3	2.0	68.1	49.8	1.0	1.6	0.9	617	207	9	17	9	55	103	-168
25	Damiris Dantas D. Dantas	152	30	21.8	6.0	5.1	1.2	0.5	0.4	2.4	4.6	51.1	0.0	0.0	100.0	1.3	1.7	76.0	56.2	1.5	3.5	0.8	655	181	36	15	11	24	62	+104