Giannis Antetokounmpo got his most boards in a playoff game in Game 3 of the 2019 Eastern Conference Finals versus the Raptors, with 23 rebounds.

giannis antetokounmpo most rebounds in a playoff game

NAME	REB	DATE	TM		OPP	MIN	PTS	AST	STL	BLK	TOV	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	PF	+/-
Giannis Antetokounmpo	23	5/19/2019	MIL	@	TOR	45	12	7	1	4	8	5	16	31.3	0	3	0.0	2	7	28.6	6	+3
Giannis Antetokounmpo	20	4/26/2023	MIL	vs	MIA	42	38	3	0	0	7	14	27	51.9	0	2	0.0	10	23	43.5	4	-8
Giannis Antetokounmpo	20	5/15/2022	MIL	@	BOS	43	25	9	2	1	5	10	26	38.5	1	4	25.0	4	6	66.7	3	-20
Giannis Antetokounmpo	20	5/13/2022	MIL	vs	BOS	41	44	6	1	1	6	14	30	46.7	2	3	66.7	14	15	93.3	4	-5
Giannis Antetokounmpo	20	8/20/2020	MIL	vs	ORL	32	28	5	0	0	7	10	23	43.5	1	5	20.0	7	8	87.5	4	+7
Giannis Antetokounmpo	18	5/9/2022	MIL	vs	BOS	41	34	5	0	0	4	14	32	43.8	0	4	0.0	6	11	54.5	5	+1
Giannis Antetokounmpo	18	4/20/2022	MIL	vs	CHI	40	33	9	1	2	3	11	20	55.0	0	2	0.0	11	18	61.1	3	+1
Giannis Antetokounmpo	18	5/22/2021	MIL	vs	MIA	45	26	5	3	0	5	10	27	37.0	0	3	0.0	6	13	46.2	4	+2
Giannis Antetokounmpo	17	4/24/2022	MIL	@	CHI	35	32	7	0	2	4	11	22	50.0	1	3	33.3	9	12	75.0	4	+12
Giannis Antetokounmpo	17	7/6/2021	MIL	@	PHX	35	20	4	2	1	3	6	11	54.5	1	2	50.0	7	12	58.3	5	+1
Giannis Antetokounmpo	17	6/17/2021	MIL	vs	BKN	41	30	3	0	0	3	12	20	60.0	0	0		6	10	60.0	2	+22
Giannis Antetokounmpo	17	5/27/2021	MIL	@	MIA	33	17	5	1	0	3	6	12	50.0	0	2	0.0	5	7	71.4	3	+4
Giannis Antetokounmpo	17	8/29/2020	MIL	vs	ORL	28	28	3	0	1	3	11	17	64.7	3	6	50.0	3	5	60.0	5	+21
Giannis Antetokounmpo	17	8/18/2020	MIL	vs	ORL	34	31	7	1	0	5	12	25	48.0	3	7	42.9	4	9	44.4	5	-9
Giannis Antetokounmpo	17	5/17/2019	MIL	vs	TOR	35	30	5	1	2	4	10	20	50.0	1	4	25.0	9	12	75.0	2	+17
Giannis Antetokounmpo	17	4/14/2019	MIL	vs	DET	23	24	4	1	0	1	9	17	52.9	1	5	20.0	5	12	41.7	1	+30
Giannis Antetokounmpo	16	4/17/2022	MIL	vs	CHI	34	27	3	0	2	5	10	19	52.6	1	4	25.0	6	11	54.5	5	+19
Giannis Antetokounmpo	16	9/4/2020	MIL	@	MIA	35	21	9	1	2	3	7	21	33.3	0	7	0.0	7	12	58.3	3	-13
Giannis Antetokounmpo	16	5/6/2019	MIL	@	BOS	34	39	4	1	1	2	15	22	68.2	2	5	40.0	7	10	70.0	4	+4
Giannis Antetokounmpo	15	8/24/2020	MIL	@	ORL	34	31	8	0	1	2	14	21	66.7	1	5	20.0	2	6	33.3	4	+20
Giannis Antetokounmpo	15	4/18/2017	MIL	@	TOR	42	24	7	2	0	4	9	24	37.5	1	3	33.3	5	7	71.4	3	+6
Giannis Antetokounmpo	14	7/20/2021	MIL	vs	PHX	42	50	2	0	5	6	16	25	64.0	1	3	33.3	17	19	89.5	2	+10
Giannis Antetokounmpo	14	7/14/2021	MIL	vs	PHX	43	26	8	3	2	1	11	19	57.9	0	2	0.0	4	8	50.0	3	+3
Giannis Antetokounmpo	14	6/10/2021	MIL	vs	BKN	43	33	2	0	0	5	14	31	45.2	1	8	12.5	4	9	44.4	0	+5
Giannis Antetokounmpo	14	9/2/2020	MIL	vs	MIA	36	29	3	0	1	2	10	18	55.6	0	1	0.0	9	13	69.2	4	-7