 Hawks | Danilo Gallinari | F | Doubtful | Sprained right ankle | Danilo Gallinari doubtful for Monday. | Jan 17 |
| Hawks | Kris Dunn | G | Out indefinitely | Right ankle surgery | Kris Dunn to undergo ankle surgery. | Dec 27 |
| Hawks | Bogdan Bogdanovic | G | Out indefinitely | Fractured right knee | Bogdan Bogdanovic diagnosed with fractured knee. | Jan 10 |
| Hawks | Cam Reddish | F-G | Questionable | Left knee contusion | Cam Reddish questionable for Monday. | Jan 17 |
 Celtics | Jayson Tatum | F-G | Out | COVID-19 | Celtics-Bulls postponed for Tuesday. | Jan 11 |
| Celtics | Robert Williams III | C-F | Out | COVID-19 | Robert Williams tested positive for COVID-19. | Jan 8 |
| Celtics | Romeo Langford | G-F | Out indefinitely | Right wrist surgery | Langford is injured with wrist | Dec 1 |
| Celtics | Carsen Edwards | G | Out | Health and safety protocols | Carsen Edwards ruled out for Sunday. | Jan 16 |
| Celtics | Tacko Fall | C | Out | Sprained left ankle | Tacko Fall ruled out Sunday. | Jan 17 |
 Nets | Kyrie Irving | G | Questionable | Health and safety protocols | Kyrie Irving questionable for Monday. | Jan 17 |
| Nets | Spencer Dinwiddie | G | Out indefinitely | Torn right ACL | Spencer Dinwiddie diagnosed with partially torn ACL. | Dec 28 |
| Nets | Nicolas Claxton | F-C | Out indefinitely | Right knee tendinopathy | Claxton is injured with knee | Dec 6 |
 Hornets | Cody Zeller | F-C | Out indefinitely | Fractured left hand | Cody Zeller underwent hand surgery; to miss 4-6 weeks. | Dec 24 |
 Bulls | Tomas Satoransky | G | Out | COVID-19 | Tomas Satoransky without timetable for return. | Jan 3 |
| Bulls | Chandler Hutchison | F-G | Out | COVID-19 | Chandler Hutchison without timetable for return. | Jan 3 |
 Cavaliers | Kevin Love | F-C | Out indefinitely | Strained right calf | Kevin Love out at least 3-4 weeks. | Dec 29 |
| Cavaliers | Matthew Dellavedova | G | Out | Concussion | Dellavedova is out with concussion | Jan 12 |
| Cavaliers | Taurean Prince | F | Out | Traded | Prince is out with acquired | Jan 16 |
| Cavaliers | Jarrett Allen | C | Out | Traded | Allen is out with acquired | Jan 16 |
| Cavaliers | Collin Sexton | G | Out | Sprained left ankle | Collin Sexton listed out for Friday. | Jan 14 |
| Cavaliers | Dylan Windler | G-F | Out indefinitely | Fractured left hand | Dylan Windler diagnosed with fractured hand; to miss at least 1 week. | Dec 24 |
| Cavaliers | Darius Garland | G | Out | Sprained right shoulder | Darius Garland listed out for Friday. | Jan 14 |
| Cavaliers | Kevin Porter Jr. | G-F | Out | Personal | Kevin Porter Jr. without timetable for return. | Jan 6 |
 Mavericks | Tim Hardaway Jr. | G-F | Questionable | Strained left groin | Tim Hardaway Jr. listed questionable for Monday. | Jan 18 |
| Mavericks | Josh Richardson | G | Out | Health and safety protocols | Josh Richardson listed out for Monday. | Jan 18 |
| Mavericks | Dwight Powell | F-C | Out | Health and safety protocols | Dwight Powell listed out for Monday. | Jan 18 |
| Mavericks | Dorian Finney-Smith | F | Out | Health and safety protocols | Dorian Finney-Smith listed out for Monday. | Jan 18 |
| Mavericks | Maxi Kleber | F | Out | COVID-19 | Maxi Kleber tested positive for COVID-19. | Jan 11 |
 Nuggets | Michael Porter Jr. | F | Out | Health and safety protocols | Michael Porter Jr. facing quarantine for at least 10 more days. | Jan 8 |
 Pistons | Frank Jackson | G | Probable | Sprained left ankle | Jackson is probable with ankle | Jan 18 |
| Pistons | Killian Hayes | G | Out indefinitely | Right hip labral tear | Killian Hayes diagnosed with labral tear in hip. | Jan 6 |
 Warriors | Klay Thompson | G | Out indefinitely | Torn right Achilles | Klay Thompson diagnosed with torn Achilles. | Nov 19 |
| Warriors | Marquese Chriss | F | Out for season | Broken right leg | Marquese Chriss to miss rest of season with broken fibula. | Dec 27 |
| Warriors | Alen Smailagic | F | Out indefinitely | Torn right meniscus | Alen Smailagic to undergo surgery for torn meniscus. | Jan 2 |
 Rockets | John Wall | G | Out | Sore left knee | John Wall ruled out for Monday. | Jan 17 |
| Rockets | Dante Exum | G | Out indefinitely | Strained right calf | Dante Exum expected to miss 1-2 months. | Jan 5 |
| Rockets | Eric Gordon | G | Probable | Tight lower left leg | Eric Gordon probable for Monday. | Jan 17 |
| Rockets | DeMarcus Cousins | C | Probable | Sore right ankle | DeMarcus Cousins probable for Monday. | Jan 17 |
| Rockets | Danuel House Jr. | F-G | Out | Health and safety protocols | Danuel House ruled out for Monday. | Jan 17 |
| Rockets | Sterling Brown | G-F | Questionable | Sore right lower leg | Sterling Brown questionable for Monday. | Jan 17 |
| Rockets | Chris Clemons | G | Out for season | Torn right Achilles | Clemons is out for season with achilles | Dec 16 |
| Rockets | Brodric Thomas | G | Out | Sprained right ankle | Thomas is out with ankle | Jan 8 |
 Pacers | Jeremy Lamb | G-F | Out indefinitely | Torn left ACL, torn meniscus, fractured lateral femoral condylar | Jeremy Lamb likely out until mid-January. | Nov 25 |
| Pacers | Myles Turner | C-F | Out | Sore right hand | Myles Turner listed out Sunday. | Jan 17 |
| Pacers | JaKarr Sampson | F | Out | Sore back | JaKarr Sampson ruled out Sunday. | Jan 18 |
| Pacers | T.J. Warren | F | Out indefinitely | Left foot surgery | TJ Warren to undergo foot surgery; out indefinitely. | Dec 31 |
| Pacers | Caris LeVert | G | Out indefinitely | Small mass on kidney | Pritchard: "There's a chance" Caris LeVert (kidney) plays this season. | Jan 17 |
 Clippers | Serge Ibaka | F | Out | Illness | Serge Ibaka ruled out Sunday. | Jan 18 |
| Clippers | Lou Williams | G | Out | Left hip discomfort | Lou Williams ruled out Sunday. | Jan 18 |
| Clippers | Jay Scrubb | G | Out indefinitely | Right foot surgery | Scrubb is injured with foot | Dec 13 |
 Lakers | Jared Dudley | F | Out | Sore right calf | Dudley is out with calf | Jan 13 |
| Lakers | LeBron James | F-G | Questionable | Sprained left ankle | LeBron James listed questionable for Monday. | Jan 18 |
| Lakers | Kentavious Caldwell-Pope | G | Probable | Sprained left ankle | Kentavious Caldwell-Pope listed probable for Monday. | Jan 18 |
| Lakers | Anthony Davis | F-C | Probable | Tight lower back | Anthony Davis listed probable for Monday. | Jan 18 |
| Lakers | Wesley Matthews | G | Probable | Sore right Achilles | Wesley Matthews listed probable for Monday. | Jan 18 |
| Lakers | Kostas Antetokounmpo | F | Out | Right knee tendinitis | Antetokounmpo is out with knee | Jan 13 |
 Grizzlies | Justise Winslow | F-G | Out indefinitely | Left hip displacement | Justise Winslow without timetable for return. | Jan 10 |
| Grizzlies | Jonas Valanciunas | C | Out | Health and safety protocols | Jonas Valanciunas ruled out for Monday. | Jan 17 |
| Grizzlies | Jaren Jackson Jr. | F-C | Out indefinitely | Torn left meniscus | Jaren Jackson Jr. to miss start of 2020-2021 season. | Nov 19 |
| Grizzlies | Jontay Porter | C-F | Out | Sore right knee | Porter is out with knee | Dec 23 |
 Heat | Avery Bradley | G | Out | Health and safety protocols | Avery Bradley ruled out for Monday. | Jan 17 |
| Heat | Jimmy Butler | F | Out | Health and safety protocols | Jimmy Butler ruled out for Monday. | Jan 17 |
| Heat | Meyers Leonard | F-C | Out | Strained left shoulder | Meyers Leonard ruled out for Monday. | Jan 17 |
| Heat | Gabe Vincent | G | Probable | Sore right knee | Gabe Vincent probable for Monday. | Jan 17 |
| Heat | Tyler Herro | G | Questionable | Neck spasms | Tyler Herro questionable for Monday. | Jan 17 |
 Timberwolves | Ricky Rubio | G | Out | Health and safety protocols | Ricky Rubio ruled out for Monday. | Jan 17 |
| Timberwolves | Karl-Anthony Towns | C-F | Out | COVID-19 | Karl-Anthony Towns tested positive for COVID-19. | Jan 15 |
| Timberwolves | Juancho Hernangomez | F | Out | Health and safety protocols | Juancho Hernangomez enters isolation; out at least 10 days. | Jan 14 |
| Timberwolves | Josh Okogie | G | Probable | Strained left hamstring | Josh Okogie probable for Monday. | Jan 17 |
 Pelicans | Lonzo Ball | G | Out | Bilateral knee tendinopathy | Lonzo Ball expected to miss some time. | Jan 16 |
 Knicks | Alec Burks | G | Doubtful | Sprained left ankle | Burks is doubtful with ankle | Jan 18 |
| Knicks | Frank Ntilikina | G | Out indefinitely | Sprained right knee | Frank Ntilikina likely out another week. | Jan 10 |
 Thunder | Al Horford | C-F | Out | Personal | Al Horford without timetable for return. | Jan 16 |
| Thunder | Trevor Ariza | F | Out | Personal | Trevor Ariza away from team indefinitely. | Dec 6 |
| Thunder | Ty Jerome | G-F | Out | Sprained left ankle | Jerome is out with ankle | Dec 30 |
 Magic | Evan Fournier | G-F | Out | Low back spasms | Evan Fournier listed out for Monday. | Jan 17 |
| Magic | Michael Carter-Williams | G | Out | Sprained left foot, bone bruise | Michael Carter-Williams listed out for Monday. | Jan 17 |
| Magic | Al-Farouq Aminu | F | Out indefinitely | Right knee surgery | Al-Farouq Aminu without timetable for return. | Dec 1 |
| Magic | Markelle Fultz | G | Out for season | Torn left ACL | Markelle Fultz to miss rest of season with torn ACL. | Jan 7 |
| Magic | Jonathan Isaac | F | Out for season | Torn left ACL | Isaac is out for season with knee | Dec 16 |
| Magic | Mo Bamba | C | Out | Health and safety protocols | Mo Bamba ruled out for Monday. | Jan 17 |
| Magic | Chuma Okeke | F | Out indefinitely | Left knee bone bruise | Chuma Okeke out indefinitely with knee bone bruise. | Jan 1 |
 76ers | Mike Scott | F | Out indefinitely | Right knee swelling | Mike Scott out at least 2 games. | Jan 15 |
| 76ers | Joel Embiid | C-F | Out indefinitely | Right knee pain | Joel Embiid out at least 2 games. | Jan 15 |
| 76ers | Seth Curry | G | Out | COVID-19 | Sixers expected to have multiple players miss time due to contact tracing. | Jan 8 |
| 76ers | Vincent Poirier | C-F | Out | Health and safety protocols | Vincent Poirier ruled out Saturday. | Jan 9 |
 Suns | Cameron Payne | G | Questionable | Sprained right ankle | Cameron Payne questionable for Monday. | Jan 18 |
| Suns | Damian Jones | C | Out | Health and safety protocols | Jones is out with covid protocols | Jan 18 |
| Suns | Dario Saric | F-C | Out | Health and safety protocols | Dario Saric ruled out for Monday. | Jan 17 |
| Suns | Jalen Smith | F-C | Out | Health and safety protocols | Smith is out with covid protocols | Jan 9 |
 Trail Blazers | Jusuf Nurkic | C | Out indefinitely | Fractured right wrist | Jusuf Nurkic to undergo wrist surgery; out at least 8 weeks. | Jan 15 |
| Trail Blazers | CJ McCollum | G | Out indefinitely | Sprained left foot | CJ McCollum without timetable for return. | Jan 18 |
| Trail Blazers | Zach Collins | F-C | Out indefinitely | Left ankle surgery | Zach Collins underwent ankle surgery; remains out indefinitely. | Dec 30 |
| Trail Blazers | CJ Elleby | F-G | Questionable | Strained left foot | Elleby is questionable with foot | Jan 17 |
 Kings | Hassan Whiteside | C | Out | Sore left hip | Hassan Whiteside ruled out Sunday. | Jan 18 |
| Kings | DaQuan Jeffries | G-F | Out indefinitely | Sprained left ankle | DaQuan Jeffries to miss extended period of time. | Dec 30 |
| Kings | Jahmi'us Ramsey | G | Out indefinitely | Strained left groin | Ramsey is injured with groin | Jan 15 |
 Spurs | Derrick White | G | Out indefinitely | Fractured left toe | Derrick White suffers fractured toe. | Jan 5 |
| Spurs | Keita Bates-Diop | F | Out | Illness | Bates-Diop is out with illness | Jan 12 |
| Spurs | Drew Eubanks | F-C | Out | Health and safety protocols | Eubanks is out with covid protocols | Jan 10 |
| Spurs | Quinndary Weatherspoon | G | Out | Knee | Weatherspoon is out with knee | Jan 10 |
| Spurs | Luka Samanic | F | Out | Sore throat | Samanic is out with illness | Jan 16 |
 Raptors | Alex Len | C | Out | Health and safety protocols | Alex Len listed out for Monday. | Jan 18 |
| Raptors | Patrick McCaw | G | Out indefinitely | Left knee rehab | Patrick McCaw without timetable for return. | Dec 16 |
 Jazz | Joe Ingles | F-G | Out | Sore right Achilles | Joe Ingles ruled out for Sunday. | Jan 17 |
| Jazz | Juwan Morgan | F | Out | Health and safety protocols | Morgan is out with covid protocols | Jan 6 |
 Wizards | Russell Westbrook | G | Out indefinitely | Strained left quad | Russell Westbrook expected to miss a week. | Jan 11 |
| Wizards | Thomas Bryant | C-F | Out for season | Torn left ACL | Thomas Bryant diagnosed with torn ACL. | Jan 10 |
| Wizards | Moritz Wagner | F-C | Questionable | Health and safety protocols | Moe Wagner questionable for Wednesday. | Jan 12 |
| Wizards | Rui Hachimura | F | Questionable | Health and safety protocols | Wizards have 6 positive tests, 9 in protocols. | Jan 15 |