| month | day | visitor | score | home | score |
|---|
| November | 2, 2022 | Spurs | | Celtics | |
| November | 3, 2022 | Cavaliers | | Celtics | |
| November | 4, 2022 | Heat | | Celtics | |
| November | 5, 2022 | Celtics | | Clippers | |
| November | 7, 2022 | Pistons | | Celtics | |
| November | 9, 2022 | Sonics | | Celtics | |
| November | 13, 2022 | Celtics | | Suns | |
| November | 14, 2022 | Celtics | | Heat | |
| November | 16, 2022 | Celtics | | Knicks | |
| November | 18, 2022 | Bulls | | Celtics | |
| November | 19, 2022 | Celtics | | Bulls | |
| November | 24, 2022 | Celtics | | Hornets | |
| November | 25, 2022 | Hornets | | Celtics | |
| November | 26, 2022 | Knicks | | Celtics | |
| November | 27, 2022 | Rockets | | Celtics | |
| November | 28, 2022 | Celtics | | Cavaliers | |
| November | 29, 2022 | Raptors | | Celtics | |
| November | 30, 2022 | 76ers | | Celtics | |
| December | 2, 2022 | 76ers | | Celtics | |
| December | 3, 2022 | Celtics | | Raptors | |
| December | 5, 2022 | Celtics | | Grizzlies | |
| December | 6, 2022 | Celtics | | Rockets | |
| December | 10, 2022 | Celtics | | Nuggets | |
| December | 16, 2022 | Celtics | | Cavaliers | |
| December | 18, 2022 | Celtics | | Knicks | |
| December | 19, 2022 | Bulls | | Celtics | |
| December | 22, 2022 | Heat | | Celtics | |
| December | 24, 2022 | Hornets | | Celtics | |
| December | 25, 2022 | Celtics | | Heat | |
| December | 30, 2022 | Suns | | Celtics | |
| January | 2, 2023 | Celtics | | Hornets | |
| January | 3, 2023 | Celtics | | Raptors | |
| January | 4, 2023 | Grizzlies | | Celtics | |
| January | 8, 2023 | Pistons | | Celtics | |
| January | 9, 2023 | Celtics | | Hornets | |
| January | 10, 2023 | Grizzlies | | Celtics | |
| January | 11, 2023 | Hornets | | Celtics | |
| January | 13, 2023 | Knicks | | Celtics | |
| January | 15, 2023 | Celtics | | Knicks | |
| January | 16, 2023 | Celtics | | Grizzlies | |
| January | 19, 2023 | Cavaliers | | Celtics | |
| January | 22, 2023 | 76ers | | Celtics | |
| January | 23, 2023 | Celtics | | Timberwolves | |
| January | 25, 2023 | Celtics | | Heat | |
| January | 26, 2023 | Celtics | | Heat | |
| January | 28, 2023 | Celtics | | 76ers | |
| February | 5, 2023 | Warriors | | Celtics | |
| February | 7, 2023 | Nuggets | | Celtics | |
| February | 8, 2023 | Celtics | | Grizzlies | |
| February | 10, 2023 | Celtics | | Bulls | |
| February | 11, 2023 | Celtics | | 76ers | |
| February | 14, 2023 | Raptors | | Celtics | |
| February | 15, 2023 | Pistons | | Celtics | |
| February | 16, 2023 | Raptors | | Celtics | |
| February | 18, 2023 | Celtics | | Lakers | |
| February | 19, 2023 | Raptors | | Celtics | |
| February | 21, 2023 | Celtics | | Jazz | |
| February | 23, 2023 | Celtics | | Pistons | |
| February | 25, 2023 | Bulls | | Celtics | |
| March | 2, 2023 | Grizzlies | | Celtics | |
| March | 3, 2023 | Celtics | | Raptors | |
| March | 6, 2023 | Celtics | | Knicks | |
| March | 7, 2023 | Celtics | | Heat | |
| March | 8, 2023 | Celtics | | Warriors | |
| March | 9, 2023 | Celtics | | Sonics | |
| March | 11, 2023 | Lakers | | Celtics | |
| March | 12, 2023 | Celtics | | Bulls | |
| March | 15, 2023 | Celtics | | Hornets | |
| March | 19, 2023 | Celtics | | Pistons | |
| March | 23, 2023 | Hornets | | Celtics | |
| March | 26, 2023 | Celtics | | 76ers | |
| March | 29, 2023 | Cavaliers | | Celtics | |
| April | 1, 2023 | Celtics | | Spurs | |
| April | 6, 2023 | Knicks | | Celtics | |
| April | 7, 2023 | 76ers | | Celtics | |
| April | 8, 2023 | Jazz | | Celtics | |
| April | 10, 2023 | Cavaliers | | Celtics | |
| April | 11, 2023 | Bulls | | Celtics | |
| April | 14, 2023 | Timberwolves | | Celtics | |
| April | 16, 2023 | Celtics | | Pistons | |
| April | 17, 2023 | Celtics | | Cavaliers | |
| April | 19, 2023 | Clippers | | Celtics | |