Lou Williams has the most career points by a player off the bench, with 13,396 points.

which nba player has the most career points off the bench
WilliamsCrawfordCurryJohnsonPierceBaileyGinobiliJohnsonMcHaleTerryBarbosaSmithKorverSchrempfClarksonEllisCarrMillsGatlingBareaHarringtonGordon13.4k11.3k11.1k9.6k9.5k8.7k8.3k7.9k7.6k7.5k7.4k7.2k7.2k7.0k7.0k6.7k6.6k6.2k6.1k6.0k6.0k6.0k
NAMEGPPTSMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINREBASTSTLBLKTOVPF+/-
Lou WilliamsLou Williams100113,39623.013.42.13.30.80.21.64.310.441.61.23.535.03.54.284.022,9822,0973,2628101601,6191,248+1017
Jamal CrawfordJamal Crawford89411,27925.312.61.82.80.80.21.64.410.641.21.44.134.42.42.886.522,6111,6212,4976741581,4451,188+10
Dell CurryDell Curry98411,14720.711.32.31.70.90.21.24.510.045.61.12.840.31.11.385.220,3782,3021,6828432011,1451,571+133
Eddie JohnsonEddie Johnson7209,56922.513.33.21.65.211.346.10.52.32.785.116,1902,3001,1561,521-32
Ricky PierceRicky Pierce7009,51322.113.62.21.75.110.349.30.33.23.786.615,4391,5111,1551,533-196
Thurl BaileyThurl Bailey6998,69525.212.44.71.30.41.11.44.910.547.10.00.010.32.63.281.017,6163,3168963057781,0131,262+20
Manu GinobiliManu Ginobili7088,27823.111.73.23.51.20.31.93.98.744.31.33.636.72.73.382.216,3462,2392,5098432021,3581,412+3154
Vinnie JohnsonVinnie Johnson6787,86022.911.62.83.04.810.645.30.11.92.772.715,5121,9152,0571,339
Kevin McHaleKevin McHale4907,60227.315.56.51.46.111.354.20.10.229.93.24.080.113,3703,1806811,274
Jason TerryJason Terry7317,52324.110.31.72.60.90.21.23.78.643.61.43.836.91.41.685.217,6481,2671,9036741399081,076+1051
Leandro BarbosaLeandro Barbosa7387,38320.010.01.91.90.70.11.13.88.345.71.02.738.11.41.782.114,7591,3831,388512948061,294+323
JR SmithJR Smith5827,24024.312.43.22.11.00.21.44.510.542.71.84.837.01.72.373.414,1511,8461,2115641078121,243+1087
Kyle KorverKyle Korver8097,20421.68.92.41.40.50.30.93.17.043.51.74.141.71.11.288.117,4691,9731,0954262127281,554+1539
Detlef SchrempfDetlef Schrempf6127,04624.511.55.72.60.60.31.73.97.948.90.20.634.73.64.480.715,0143,4611,6153741611,0451,731+155
Jordan ClarksonJordan Clarkson4586,97325.315.23.12.30.80.21.65.713.044.11.95.633.71.92.283.411,5661,4161,05737070723709+69
Dale EllisDale Ellis6206,72121.610.82.80.90.60.11.04.19.045.91.22.940.71.41.877.713,4001,740566366676151,046+290
Antoine CarrAntoine Carr8196,59517.98.13.01.00.30.81.13.26.449.80.00.016.21.72.178.114,6612,4948092676628882,416+23
Patty MillsPatty Mills7156,21119.38.71.62.20.60.10.93.17.243.11.64.239.40.81.085.213,7851,1521,54844952677916+1782
Chris GatlingChris Gatling6146,07918.79.95.10.60.60.51.53.87.550.90.10.324.52.23.366.811,5053,1323813913098941,592-421
J.J. BareaJ.J. Barea7236,04418.38.42.03.70.40.01.53.27.641.80.92.633.91.11.479.513,2501,4382,707273151,0571,003+90
Al HarringtonAl Harrington5366,02424.011.24.81.20.70.21.64.29.544.30.92.634.01.92.674.112,8832,5986473771288461,529+244
Ben GordonBen Gordon4756,00823.212.62.12.10.60.11.94.510.442.71.43.639.72.32.786.211,02699498227460886995-574
Ron AndersonRon Anderson5855,91021.210.13.31.30.70.11.04.28.946.70.20.628.41.62.081.412,4201,90676338778588853
Clifford RobinsonClifford Robinson5365,80623.710.84.21.50.81.01.54.29.644.10.31.131.72.03.165.312,6882,2567794255247891,532-302
Marco BelinelliMarco Belinelli6415,75620.69.01.91.60.50.10.93.17.442.11.33.637.11.41.785.013,2021,2311,00232847565795+201
StatMuse has game-level data for games started going back to the 1981-82 season.