Grant Andrew Long (born March 12, 1966) is an American former professional basketball player. He played over 1,000 games in the National Basketball Association over a 15-year career. Long had two relatives who were playing in the NBA during his tenure in the league: his uncle John Long, and his cousin Terry Mills. His brother is professional boxer Julius Long.
|- | style="text-align:left;"| | style="text-align:left;"| Miami | 82 || 73 || 29.7 || .486 || .000 || .749 || 6.7 || 1.8 || 1.5 || .6 || 11.9 |- | style="text-align:left;"| | style="text-align:left;"| Miami | 81 || 31 || 22.9 || .483 || .000 || .714 || 5.0 || 1.2 || 1.1 || .5 || 8.5 |- | style="text-align:left;"| | style="text-align:left;"| Miami | 80 || 66 || 31.4 || .492 || .167 || .787 || 7.1 || 2.2 || 1.5 || .5 || 9.2 |- | style="text-align:left;"| | style="text-align:left;"| Miami | 82 || 82 || 37.4 || .494 || .273 || .807 || 8.4 || 2.7 || 1.7 || .5 || 14.8 |- | style="text-align:left;"| | style="text-align:left;"| Miami | 76 || 62 || 35.9 || .469 || .231 || .765 || 7.5 || 2.4 || 1.4 || .4 || 14.0 |- | style="text-align:left;"| | style="text-align:left;"| Miami | 69 || 59 || 31.9 || .446 || .167 || .786 || 7.2 || 2.5 || 1.3 || .4 || 11.4 |- | style="text-align:left;"| | style="text-align:left;"| Miami | 2 || 2 || 31.0 || .417 || || .600 || 5.5 || 2.0 || 1.0 || .0 || 8.0 |- | style="text-align:left;"| | style="text-align:left;"| Atlanta | 79 || 77 || 32.6 || .479 || .355 || .756 || 7.5 || 1.6 || 1.4 || .4 || 11.7 |- | style="text-align:left;"| | style="text-align:left;"| Atlanta | 82 || style="background:#cfecec;"| 82* || 36.7 || .471 || .360 || .763 || 9.6 || 2.2 || 1.3 || .4 || 13.1 |- | style="text-align:left;"| | style="text-align:left;"| Detroit | 65 || 24 || 18.0 || .447 || .362 || .750 || 3.4 || .6 || .7 || .1 || 5.0 |- | style="text-align:left;"| | style="text-align:left;"| Detroit | 40 || 17 || 18.5 || .427 || .000 || .719 || 3.8 || .6 || .7 || .3 || 3.5 |- | style="text-align:left;"| | style="text-align:left;"| Atlanta | style="background:#cfecec;"| 50* || 13 || 27.6 || .421 || .167 || .783 || 5.9 || 1.1 || 1.1 || .3 || 9.8 |- | style="text-align:left;"| | style="text-align:left;"| Vancouver | 42 || 1 || 21.9 || .443 || .000 || .775 || 5.6 || 1.0 || 1.1 || .2 || 4.8 |- | style="text-align:left;"| | style="text-align:left;"| Vancouver | 66 || 27 || 22.8 || .439 || .267 || .713 || 4.2 || 1.3 || 1.1 || .2 || 6.0 |- | style="text-align:left;"| | style="text-align:left;"| Memphis | 66 || 56 || 28.3 || .426 || .176 || .699 || 3.5 || 2.1 || 1.0 || .2 || 6.3 |- | style="text-align:left;"| | style="text-align:left;"| Boston | 41 || 1 || 11.9 || .386 || .000 || .783 || 2.0 || .6 || .2 || .0 || 1.8 |- class="sortbottom" | style="text-align:center;" colspan="2"| Career | 1,003 || 673 || 28.4 || .467 || .283 || .761 || 6.1 || 1.7 || 1.2 || .4 || 9.5 |-
|- | style="text-align:left;"| 1992 | style="text-align:left;"| Miami | 3 || 3 || 40.0 || .417 || .000 || .700 || 5.0 || 2.7 || 1.7 || .0 || 12.3 |- | style="text-align:left;"| 1994 | style="text-align:left;"| Miami | 4 || 2 || 27.5 || .389 || || .778 || 4.5 || 1.8 || .8 || .5 || 12.3 |- | style="text-align:left;"| 1995 | style="text-align:left;"| Atlanta | 3 || 3 || 36.7 || .500 || .000 || .722 || 11.3 || 1.3 || 1.3 || .3 || 13.7 |- | style="text-align:left;"| 1996 | style="text-align:left;"| Atlanta | 10 || 10 || 36.2 || .396 || .250 || .800 || 8.6 || 2.8 || .7 || .3 || 11.4 |- | style="text-align:left;"| 1997 | style="text-align:left;"| Detroit | 5 || 0 || 17.2 || .444 || .000 || .818 || 2.2 || .6 || .8 || .0 || 5.0 |- | style="text-align:left;"| 1999 | style="text-align:left;"| Atlanta | 9 || 9 || 39.8 || .409 || .250 || .727 || 8.2 || .9 || 2.0 || .4 || 11.7 |- | style="text-align:left;"| 2003 | style="text-align:left;"| Boston | 8 || 0 || 4.3 || .250 || || || .6 || .1 || .0 || .0 || .3 |- class="sortbottom" | style="text-align:center;" colspan="2"| Career | 42 || 27 || 28.1 || .411 || .200 || .756 || 5.8 || 1.4 || 1.0 || .2 || 8.9 |-
Having served as the broadcast analyst for the Oklahoma City Thunder since 2008, Long resigned from the position in July 2014. In October 2014 Long joined Fox Sports Detroit as a Detroit Pistons analyst and sideline reporter, made the transition to Bally Sports Detroit, and now FanDuel Sports Network Detroit.