Wilt Chamberlain has the most free-throw attempts in a season, with 1,363 attempts in 1961-62.

Interpreted as:

most free throws attempted by a player in a season

NAME	FTA	SEASON	TM	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF	+/-
Wilt Chamberlain	1,363	1961-62	PHI	80	48.5	50.4	25.7	2.4				20.0	39.5	50.6				10.4	61.3	3,882	4,029	2,052	192				123
Wilt Chamberlain	1,113	1962-63	SFW	80	47.6	44.8	24.3	3.4				18.3	34.6	52.8				8.3	59.3	3,806	3,586	1,946	275				136
Wilt Chamberlain	1,054	1960-61	PHI	79	47.8	38.4	27.2	1.9				15.8	31.1	50.9				6.7	50.4	3,773	3,033	2,149	148				130
Wilt Chamberlain	1,016	1963-64	SFW	80	46.1	36.9	22.3	5.0				15.1	28.7	52.4				6.8	53.1	3,689	2,948	1,787	403				182
Wilt Chamberlain	991	1959-60	PHI	72	46.4	37.6	27.0	2.3				14.8	32.1	46.1				8.0	58.2	3,338	2,707	1,941	168				150
Jerry West	977	1965-66	LAL	79	40.7	31.3	7.1	6.1				10.4	21.9	47.3				10.6	86.0	3,218	2,476	562	480				243
Wilt Chamberlain	976	1965-66	PHI	79	47.3	33.5	24.6	5.2				13.6	25.2	54.0				6.3	51.3	3,737	2,649	1,943	414				171
Shaquille O'Neal	972	2000-01	LAL	74	39.5	28.7	12.7	3.7	0.6	2.8	2.9	11.0	19.2	57.2	0.0	0.0	0.0	6.7	51.3	2,924	2,125	940	277	47	204	218	256	+463
Michael Jordan	972	1986-87	CHI	82	40.0	37.1	5.2	4.6	2.9	1.5	3.3	13.4	27.8	48.2	0.1	0.8	18.2	10.2	85.7	3,281	3,041	430	377	236	125	272	237
Charles Barkley	951	1987-88	PHI	80	39.6	28.3	11.9	3.2	1.3	1.3	3.8	9.4	16.0	58.7	0.6	2.0	28.0	8.9	75.1	3,170	2,264	951	254	100	103	304	278
Adrian Dantley	946	1983-84	UTA	79	37.8	30.6	5.7	3.9	0.8	0.1	3.3	10.2	18.2	55.8	0.0	0.1	25.0	10.3	85.9	2,984	2,418	448	310	61	4	263	201
Oscar Robertson	938	1963-64	CIN	79	45.1	31.4	9.9	11.0				10.6	22.0	48.3				10.1	85.3	3,559	2,480	783	868				280
Wilt Chamberlain	932	1967-68	PHI	82	46.8	24.3	23.8	8.6				10.0	16.8	59.5				4.3	38.0	3,836	1,992	1,952	702				160
Jerry West	926	1961-62	LAL	75	41.2	30.8	7.9	5.4				10.7	23.9	44.5				9.5	76.9	3,087	2,310	591	402				173
David Robinson	925	1993-94	SAS	80	40.5	29.8	10.7	4.8	1.7	3.3	3.2	10.5	20.7	50.7	0.1	0.4	34.5	8.7	74.9	3,241	2,383	855	381	139	265	253	228
Karl Malone	918	1988-89	UTA	80	39.1	29.1	10.7	2.7	1.8	0.9	3.6	10.1	19.5	51.9	0.1	0.2	31.3	8.8	76.6	3,126	2,326	853	219	144	70	285	286
Dwight Howard	916	2010-11	ORL	78	37.6	22.9	14.1	1.4	1.4	2.4	3.6	7.9	13.4	59.3	0.0	0.1	0.0	7.0	59.6	2,935	1,784	1,098	107	107	186	279	258	+498
Karl Malone	913	1989-90	UTA	82	38.1	31.0	11.1	2.8	1.5	0.6	3.7	11.1	19.8	56.2	0.2	0.5	37.2	8.5	76.2	3,122	2,540	911	226	121	50	304	259
Moses Malone	904	1984-85	PHI	79	37.4	24.6	13.1	1.6	0.8	1.6	3.6	7.6	16.3	46.9	0.0	0.0	0.0	9.3	81.5	2,957	1,941	1,031	130	67	123	286	216
Bob Pettit	901	1961-62	STL	78	42.1	31.1	18.7	3.7				11.1	24.7	45.0				8.9	77.1	3,282	2,429	1,459	289				296
Dwight Howard	897	2007-08	ORL	82	37.7	20.7	14.2	1.3	0.9	2.1	3.2	7.1	11.9	59.9	0.0	0.0	0.0	6.5	59.0	3,088	1,695	1,161	110	74	176	263	274	+484
Karl Malone	888	1990-91	UTA	82	40.3	29.0	11.8	3.3	1.1	1.0	3.0	10.3	19.6	52.7	0.0	0.2	28.6	8.3	77.0	3,302	2,382	967	270	89	79	244	268
Bob Pettit	885	1962-63	STL	79	39.1	28.4	15.1	3.1				9.8	22.1	44.6				8.7	77.4	3,090	2,241	1,191	245				282
James Harden	881	2016-17	HOU	81	36.4	29.1	8.1	11.2	1.5	0.5	5.7	8.3	18.9	44.0	3.2	9.3	34.7	9.2	84.7	2,947	2,356	659	907	121	38	464	215	+425
Oscar Robertson	881	1965-66	CIN	76	46.0	31.3	7.7	11.1				10.8	22.7	47.5				9.8	84.2	3,493	2,378	586	847				227