James Harden has the most turnovers in a season with 464 turnovers in 2016-17.

most turnovers in a season
Interpreted as:
most turnovers by a player in a season
2016-17 Harden 2016-17 Westbrook 2018-19 Harden 2017-18 Westbrook 2015-16 Harden 1977-78 Gilmore 1977-78 Porter 1979-80 Richardson 1977-78 Sobers 1985-86 Barkley 1979-80 Theus 2017-18 James 1978-79 McGinnis 1977-78 McAdoo 1986-87 Harper 2004-05 Iverson 1986-87 Thomas 2015-16 Westbrook 1983-84 Ruland 1996-97 Iverson 1978-79 Porter 1982-83 Williams 1993-94 Jackson 1995-96 Kidd 1985-86 Theus 2000-01 Stackhouse 1984-85 Sampson 0 50 100 150 200 250 300 350 400 450 464 438 387 381 374 366 360 359 352 350 348 347 346 346 345 344 343 342 342 337 337 335 334 328 327 326 326
NAME SEASON TM GP TOV MPG PPG RPG APG SPG BPG TPG FGM FGA FG% 3PM 3PA 3P% FTM FTA FT% MIN PTS REB AST STL BLK PF +/-
James Harden illustration James Harden
2016-17
HOU logo HOU
81 464 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 10.9 84.7 2,947 2,356 659 907 121 38 215 +425
Russell Westbrook illustration Russell Westbrook
2016-17
OKC logo OKC
81 438 34.6 31.6 10.7 10.4 1.6 0.4 5.4 10.2 24.0 42.5 2.5 7.2 34.3 8.8 10.4 84.5 2,802 2,558 864 840 132 31 190 +251
James Harden illustration James Harden
2018-19
HOU logo HOU
78 387 36.8 36.1 6.6 7.5 2.0 0.7 5.0 10.8 24.5 44.2 4.8 13.2 36.8 9.7 11.0 87.9 2,867 2,818 518 586 158 58 244 +357
Russell Westbrook illustration Russell Westbrook
2017-18
OKC logo OKC
80 381 36.4 25.4 10.1 10.3 1.8 0.3 4.8 9.5 21.1 44.9 1.2 4.1 29.8 5.2 7.1 73.7 2,914 2,028 804 820 147 20 200 +383
James Harden illustration James Harden
2015-16
HOU logo HOU
82 374 38.1 29.0 6.1 7.5 1.7 0.6 4.6 8.7 19.7 43.9 2.9 8.0 35.9 8.8 10.2 86.0 3,125 2,376 501 612 139 51 229 +125
Artis Gilmore illustration Artis Gilmore
1977-78
CHI logo CHI
82 366 37.4 22.9 13.1 3.2 0.5 2.2 4.5 8.6 15.4 55.9 5.7 8.2 70.4 3,067 1,879 1,071 263 42 181 261
Kevin Porter illustration Kevin Porter
1977-78 TOT 82 360 34.3 15.0 2.6 10.2 1.5 0.2 4.4 6.0 12.9 46.9 3.0 3.9 76.3 2,813 1,234 214 837 123 15 283
Micheal Ray Richardson illustration Micheal Ray Richardson
1979-80
NYK logo NYK
82 359 37.3 15.3 6.6 10.1 3.2 0.4 4.4 6.1 13.0 47.2 0.3 1.3 24.5 2.7 4.1 66.0 3,060 1,254 539 832 265 35 260
Ricky Sobers illustration Ricky Sobers
1977-78
IND logo IND
79 352 38.2 18.2 4.1 7.4 2.2 0.3 4.5 7.0 15.5 45.3 4.2 5.1 82.5 3,019 1,436 327 584 170 23 308
Charles Barkley illustration Charles Barkley
1985-86
PHI logo PHI
80 350 36.9 20.0 12.8 3.9 2.2 1.6 4.4 7.4 13.0 57.2 0.2 0.9 22.7 5.0 7.2 68.5 2,952 1,603 1,026 312 173 125 333
Reggie Theus illustration Reggie Theus
1979-80
CHI logo CHI
82 348 36.9 20.2 4.0 6.3 1.4 0.2 4.2 6.9 14.3 48.3 0.3 1.3 26.7 6.1 7.3 83.8 3,029 1,660 329 515 114 20 262
LeBron James illustration LeBron James
2017-18
CLE logo CLE
82 347 36.9 27.5 8.6 9.1 1.4 0.9 4.2 10.5 19.3 54.2 1.8 5.0 36.7 4.7 6.5 73.1 3,026 2,251 709 747 116 71 136 +104
George McGinnis illustration George McGinnis
1978-79
DEN logo DEN
76 346 33.6 22.6 11.4 3.7 1.7 0.7 4.6 7.9 16.8 47.4 6.7 10.1 66.5 2,552 1,715 864 283 129 52 321
Bob McAdoo illustration Bob McAdoo
1977-78
NYK logo NYK
79 346 40.3 26.5 12.8 3.8 1.3 1.6 4.4 10.3 19.8 52.0 5.9 8.2 72.7 3,182 2,097 1,010 298 105 126 297
Ron Harper illustration Ron Harper
1986-87
CLE logo CLE
82 345 37.4 22.9 4.8 4.8 2.5 1.0 4.2 9.0 19.7 45.5 0.2 1.1 21.3 4.7 6.9 68.4 3,064 1,874 392 394 209 84 247
Allen Iverson illustration Allen Iverson
2004-05
PHI logo PHI
75 344 42.3 30.7 4.0 7.9 2.4 0.1 4.6 10.3 24.2 42.4 1.4 4.5 30.8 8.7 10.5 83.5 3,174 2,302 299 596 180 9 140 +12
Isiah Thomas illustration Isiah Thomas
1986-87
DET logo DET
81 343 37.2 20.6 3.9 10.0 1.9 0.2 4.2 7.7 16.7 46.3 0.2 1.2 19.4 4.9 6.4 76.8 3,013 1,671 319 813 153 20 251
Russell Westbrook illustration Russell Westbrook
2015-16
OKC logo OKC
80 342 34.4 23.5 7.8 10.4 2.0 0.3 4.3 8.2 18.1 45.4 1.3 4.3 29.6 5.8 7.2 81.2 2,749 1,878 626 834 163 20 200 +635
Jeff Ruland illustration Jeff Ruland
1983-84
WAS logo WAS
75 342 41.1 22.2 12.3 3.9 0.9 1.0 4.6 8.0 13.8 57.9 0.0 0.1 14.3 6.2 8.5 73.3 3,082 1,665 922 296 68 72 285
Allen Iverson illustration Allen Iverson
1996-97
PHI logo PHI
76 337 40.1 23.5 4.1 7.5 2.1 0.3 4.4 8.2 19.8 41.6 2.0 6.0 34.1 5.0 7.2 70.2 3,045 1,787 312 567 157 24 233 -439
Kevin Porter illustration Kevin Porter
1978-79
DET logo DET
82 337 37.4 15.4 2.5 13.4 1.9 0.1 4.1 6.5 13.5 48.1 2.3 3.2 72.2 3,064 1,260 209 1,099 158 5 302
Ray Williams illustration Ray Williams
1982-83
KCK logo KCK
72 335 30.1 15.4 4.5 7.9 1.7 0.4 4.7 5.8 14.8 39.2 0.2 1.0 20.3 3.6 4.6 76.9 2,170 1,109 327 569 120 26 248
Jim Jackson illustration Jim Jackson
1993-94
DAL logo DAL
82 334 37.4 19.2 4.7 4.6 1.1 0.3 4.1 7.8 17.5 44.5 0.2 0.7 28.3 3.5 4.2 82.1 3,066 1,576 388 374 87 25 161
Jason Kidd illustration Jason Kidd
1995-96
DAL logo DAL
81 328 37.5 16.6 6.8 9.7 2.2 0.3 4.0 6.1 16.0 38.1 1.6 4.9 33.6 2.8 4.1 69.2 3,034 1,348 553 783 175 26 155
Reggie Theus illustration Reggie Theus
1985-86
SAC logo SAC
82 327 35.6 18.3 3.7 9.6 1.4 0.2 4.0 6.7 13.9 48.0 0.1 0.4 17.1 4.9 6.0 82.7 2,919 1,503 304 788 112 20 231
StatMuse has season-level data for turnovers going back to the 1977-78 season.

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