James Harden has gotten the most double-doubles with 50+ points in a season, with 6 double-doubles in 2018-19.

most 50 point double doubles in a season

Interpreted as:

most 50 or more point double doubles by a player in a season

NAME	DD2	PTS	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	REB	AST	STL	BLK	TOV	PF	+/-
James Harden	6	506	2018-19	HOU	9	40.7	56.2	9.3	7.2	2.4	0.6	4.9	16.3	33.2	49.2	6.7	16.9	39.5	16.9	18.3	92.1	366	84	65	22	5	44	28	+113
Joel Embiid	3	171	2023-24	PHI	3	36.9	57.0	14.3	5.0	1.3	1.0	3.0	20.0	31.7	63.2	0.7	1.7	40.0	16.3	18.0	90.7	111	43	15	4	3	9	9	+23
Giannis Antetokounmpo	3	159	2022-23	MIL	3	34.4	53.0	14.0	4.3	0.7	0.0	3.7	20.3	32.7	62.2	1.7	5.0	33.3	10.7	14.3	74.4	103	42	13	2	0	11	10	+51
Joel Embiid	3	164	2022-23	PHI	3	36.5	54.7	12.0	5.7	0.3	3.3	3.3	19.7	28.3	69.4	1.0	3.0	33.3	14.3	16.0	89.6	110	36	17	1	10	10	8	+53
Damian Lillard	3	334	2019-20	POR	6	40.3	55.7	5.0	8.7	1.0	0.0	2.7	16.7	30.3	54.9	8.0	15.3	52.2	14.3	14.8	96.6	242	30	52	6	0	16	7	+67
Russell Westbrook	3	216	2016-17	OKC	4	40.0	54.0	11.3	10.0	2.3	0.3	4.5	19.0	38.8	49.0	4.0	11.5	34.8	12.0	14.5	82.8	160	45	40	9	1	18	11	+32
Luka Doncic	2	123	2023-24	DAL	2	44.1	61.5	8.0	11.0	2.5	1.5	4.0	20.0	29.0	69.0	8.0	14.5	55.2	13.5	14.0	96.4	88	16	22	5	3	8	3	+29
Giannis Antetokounmpo	2	118	2023-24	MIL	2	36.9	59.0	13.0	3.0	2.0	0.5	6.0	19.5	26.5	73.6	0.0	2.0	0.0	20.0	25.0	80.0	74	26	6	4	1	12	5	+35
Luka Doncic	2	214	2022-23	DAL	4	40.7	53.5	10.8	8.5	2.8	0.5	3.8	18.3	28.5	64.0	4.8	9.8	48.7	12.3	16.8	73.1	163	43	34	11	2	15	13	+22
James Harden	2	218	2017-18	HOU	4	41.6	54.5	4.8	10.3	2.5	0.5	6.5	17.0	27.5	61.8	5.5	10.5	52.4	15.0	16.8	89.6	166	19	41	10	2	26	16	+27
James Harden	2	104	2016-17	HOU	2	40.6	52.0	14.5	15.0	1.0	0.5	6.5	15.0	27.0	55.6	7.5	13.5	55.6	14.5	16.0	90.6	81	29	30	2	1	13	6	+26
Kobe Bryant	2	105	2007-08	LAL	2	46.6	52.5	10.5	2.5	2.0	1.0	3.0	17.0	32.0	53.1	5.5	10.0	55.0	13.0	17.0	76.5	93	21	5	4	2	6	6	+5
Antawn Jamison	2	102	2000-01	GSW	2	50.5	51.0	13.5	3.5	2.5	1.5	2.5	22.0	32.5	67.7	2.0	6.0	33.3	5.0	6.0	83.3	101	27	7	5	3	5	4	-13
Michael Jordan	2	227	1992-93	CHI	4	44.8	56.8	7.5	5.8	2.8	1.3	2.0	22.8	40.0	56.9	2.5	4.8	52.6	8.8	10.5	83.3	179	30	23	11	5	8	15
Karl Malone	2	113	1989-90	UTA	2	38.0	56.5	17.5	2.5	2.5	0.0	2.0	21.5	27.0	79.6	0.0	0.0		13.5	17.5	77.1	76	35	5	5	0	4	5
Michael Jordan	2	175	1989-90	CHI	3	47.3	58.3	12.3	6.3	3.7	0.7	1.7	20.7	35.0	59.0	1.7	3.7	45.5	15.3	16.7	92.0	142	37	19	11	2	5	11
Michael Jordan	2	259	1988-89	CHI	5	42.0	51.8	9.0	4.6	3.8	1.0	4.0	19.4	28.6	67.8	1.2	2.4	50.0	11.8	13.4	88.1	210	45	23	19	5	20	17
Donovan Mitchell	1	71	2022-23	CLE	1	49.8	71.0	8.0	11.0	0.0	1.0	4.0	22.0	34.0	64.7	7.0	15.0	46.7	20.0	25.0	80.0	50	8	11	0	1	4	3	+19
Anthony Davis	1	55	2022-23	LAL	1	37.5	55.0	17.0	1.0	0.0	3.0	2.0	22.0	30.0	73.3	2.0	3.0	66.7	9.0	9.0	100.0	38	17	1	0	3	2	1	+17
Karl-Anthony Towns	1	60	2021-22	MIN	1	36.2	60.0	17.0	3.0	1.0	0.0	6.0	19.0	31.0	61.3	7.0	11.0	63.6	15.0	16.0	93.8	36	17	3	1	0	6	5	+16
LeBron James	1	106	2021-22	LAL	2	37.1	53.0	8.5	4.5	0.0	1.0	3.5	18.5	28.0	66.1	6.0	10.0	60.0	10.0	10.5	95.2	74	17	9	0	2	7	3	+35
Giannis Antetokounmpo	1	50	2021-22	MIL	1	36.1	50.0	14.0	4.0	0.0	0.0	3.0	17.0	21.0	81.0	2.0	3.0	66.7	14.0	18.0	77.8	36	14	4	0	0	3	3	+7
Jayson Tatum	1	105	2021-22	BOS	2	37.1	52.5	7.5	5.0	0.0	0.0	1.5	17.0	29.0	58.6	8.5	14.5	58.6	10.0	11.5	87.0	74	15	10	0	0	3	5	+43
Joel Embiid	1	50	2021-22	PHI	1	27.1	50.0	12.0	2.0	1.0	3.0	2.0	17.0	23.0	73.9	1.0	4.0	25.0	15.0	17.0	88.2	27	12	2	1	3	2	3	+24
Trae Young	1	56	2021-22	ATL	1	37.4	56.0	4.0	14.0	0.0	0.0	4.0	17.0	26.0	65.4	7.0	12.0	58.3	15.0	15.0	100.0	37	4	14	0	0	4	1	+10