| month | day | visitor | score | home | score |
|---|
| November | 2, 2022 | Celtics | 102 | Knicks | 112 |
| November | 5, 2022 | 76ers | 96 | Celtics | 104 |
| November | 6, 2022 | Celtics | 127 | Raptors | 135 |
| November | 7, 2022 | Celtics | 118 | Heat | 131 |
| November | 10, 2022 | Celtics | 135 | Nets | 120 |
| November | 13, 2022 | Grizzlies | 114 | Celtics | 107 |
| November | 14, 2022 | Raptors | 128 | Celtics | 114 |
| November | 18, 2022 | Rockets | 118 | Celtics | 111 |
| November | 22, 2022 | Kings | 120 | Celtics | 121 |
| November | 23, 2022 | Celtics | 114 | 76ers | 90 |
| November | 24, 2022 | Raptors | 124 | Celtics | 109 |
| November | 25, 2022 | Bulls | 117 | Celtics | 122 |
| November | 26, 2022 | Grizzlies | 126 | Celtics | 114 |
| November | 28, 2022 | Mavericks | 128 | Celtics | 112 |
| November | 29, 2022 | Bucks | 123 | Celtics | 133 |
| November | 30, 2022 | Celtics | 113 | Nets | 84 |
| December | 1, 2022 | Nets | 121 | Celtics | 119 |
| December | 8, 2022 | Celtics | 103 | Pelicans | 142 |
| December | 9, 2022 | Jazz | 94 | Celtics | 109 |
| December | 12, 2022 | Suns | 128 | Celtics | 104 |
| December | 13, 2022 | Nuggets | 102 | Celtics | 113 |
| December | 15, 2022 | Spurs | 108 | Celtics | 121 |
| December | 17, 2022 | Celtics | | Bulls | |
| December | 24, 2022 | Pelicans | | Celtics | |
| December | 26, 2022 | 76ers | | Celtics | |
| December | 28, 2022 | Knicks | | Celtics | |
| December | 31, 2022 | Lakers | | Celtics | |
| January | 1, 2023 | Grizzlies | | Celtics | |
| January | 2, 2023 | Celtics | | Grizzlies | |
| January | 4, 2023 | Wolves | | Celtics | |
| January | 5, 2023 | Pelicans | | Celtics | |
| January | 6, 2023 | 76ers | | Celtics | |
| January | 8, 2023 | Knicks | | Celtics | |
| January | 10, 2023 | Celtics | | Heat | |
| January | 22, 2023 | Celtics | | 76ers | |
| January | 24, 2023 | Celtics | | Hawks | |
| January | 27, 2023 | Celtics | | Sonics | |
| January | 28, 2023 | Celtics | | Pacers | |
| January | 30, 2023 | Celtics | | Wolves | |
| January | 31, 2023 | Celtics | | Hawks | |
| February | 2, 2023 | Heat | | Celtics | |
| February | 13, 2023 | Celtics | | Pelicans | |
| February | 17, 2023 | Celtics | | Warriors | |
| February | 19, 2023 | Celtics | | Raptors | |
| February | 21, 2023 | Celtics | | Jazz | |
| February | 22, 2023 | Nets | | Celtics | |
| February | 23, 2023 | Celtics | | Blazers | |
| February | 24, 2023 | Celtics | | Pelicans | |
| February | 25, 2023 | Celtics | | Lakers | |
| February | 26, 2023 | Clippers | | Celtics | |
| March | 1, 2023 | Bulls | | Celtics | |
| March | 2, 2023 | Hawks | | Celtics | |
| March | 3, 2023 | Warriors | | Celtics | |
| March | 4, 2023 | Celtics | | Knicks | |
| March | 7, 2023 | 76ers | | Celtics | |
| March | 9, 2023 | Celtics | | Bulls | |
| March | 10, 2023 | Bulls | | Celtics | |
| March | 12, 2023 | Bucks | | Celtics | |
| March | 16, 2023 | Pacers | | Celtics | |
| March | 17, 2023 | Celtics | | Knicks | |
| March | 18, 2023 | Celtics | | Knicks | |
| March | 19, 2023 | Heat | | Celtics | |
| March | 20, 2023 | Nets | | Celtics | |
| March | 21, 2023 | Celtics | | Spurs | |
| March | 22, 2023 | Celtics | | Nuggets | |
| March | 23, 2023 | Celtics | | Suns | |
| March | 25, 2023 | Celtics | | Pacers | |
| March | 26, 2023 | Pelicans | | Celtics | |
| March | 28, 2023 | Hawks | | Celtics | |
| March | 29, 2023 | Celtics | | Kings | |
| March | 30, 2023 | Celtics | | Bucks | |
| April | 6, 2023 | Sonics | | Celtics | |
| April | 7, 2023 | Celtics | | Clippers | |
| April | 10, 2023 | Celtics | | Heat | |
| April | 14, 2023 | Blazers | | Celtics | |
| April | 15, 2023 | Celtics | | Bucks | |
| April | 16, 2023 | Pacers | | Celtics | |
| April | 18, 2023 | Celtics | | Heat | |
| April | 20, 2023 | Celtics | | Nets | |
| April | 24, 2023 | Celtics | | Mavericks | |
| April | 25, 2023 | Celtics | | Grizzlies | |
| April | 26, 2023 | Celtics | | Rockets | |