| month | day | visitor | score | home | score |
|---|
| November | 2, 2022 | Celtics | 98 | Knicks | 137 |
| November | 5, 2022 | 76ers | 88 | Celtics | 113 |
| November | 6, 2022 | Celtics | 110 | Raptors | 130 |
| November | 7, 2022 | Celtics | 114 | Heat | 108 |
| November | 10, 2022 | Celtics | 114 | Nets | 118 |
| November | 13, 2022 | Grizzlies | 111 | Celtics | 105 |
| November | 14, 2022 | Raptors | 99 | Celtics | 127 |
| November | 18, 2022 | Rockets | 98 | Celtics | 106 |
| November | 22, 2022 | Kings | 111 | Celtics | 118 |
| November | 23, 2022 | Celtics | 117 | 76ers | 115 |
| November | 24, 2022 | Raptors | 98 | Celtics | 139 |
| November | 25, 2022 | Bulls | 133 | Celtics | 109 |
| November | 26, 2022 | Grizzlies | 115 | Celtics | 114 |
| November | 28, 2022 | Mavericks | 120 | Celtics | 111 |
| November | 29, 2022 | Bucks | 112 | Celtics | 118 |
| November | 30, 2022 | Celtics | 139 | Nets | 113 |
| December | 1, 2022 | Nets | 106 | Celtics | 110 |
| December | 8, 2022 | Celtics | 126 | Pelicans | 107 |
| December | 9, 2022 | Jazz | 103 | Celtics | 121 |
| December | 12, 2022 | Suns | 124 | Celtics | 119 |
| December | 13, 2022 | Nuggets | 136 | Celtics | 121 |
| December | 15, 2022 | Spurs | 113 | Celtics | 128 |
| December | 17, 2022 | Celtics | 103 | Bulls | 134 |
| December | 24, 2022 | Pelicans | 119 | Celtics | 114 |
| December | 26, 2022 | 76ers | 100 | Celtics | 135 |
| December | 28, 2022 | Knicks | 103 | Celtics | 112 |
| December | 31, 2022 | Lakers | 115 | Celtics | 120 |
| January | 1, 2023 | Grizzlies | 112 | Celtics | 110 |
| January | 2, 2023 | Celtics | 100 | Grizzlies | 125 |
| January | 4, 2023 | Wolves | 116 | Celtics | 131 |
| January | 5, 2023 | Pelicans | 134 | Celtics | 126 |
| January | 6, 2023 | 76ers | 93 | Celtics | 121 |
| January | 8, 2023 | Knicks | 121 | Celtics | 106 |
| January | 10, 2023 | Celtics | 101 | Heat | 125 |
| January | 22, 2023 | Celtics | 118 | 76ers | 95 |
| January | 24, 2023 | Celtics | 95 | Hawks | 121 |
| January | 27, 2023 | Celtics | 113 | Sonics | 138 |
| January | 28, 2023 | Celtics | 123 | Pacers | 118 |
| January | 30, 2023 | Celtics | 108 | Wolves | 126 |
| January | 31, 2023 | Celtics | 108 | Hawks | 123 |
| February | 2, 2023 | Heat | 100 | Celtics | 113 |
| February | 13, 2023 | Celtics | 131 | Pelicans | 139 |
| February | 17, 2023 | Celtics | 123 | Warriors | 85 |
| February | 19, 2023 | Celtics | 108 | Raptors | 111 |
| February | 21, 2023 | Celtics | 85 | Jazz | 131 |
| February | 22, 2023 | Nets | 116 | Celtics | 117 |
| February | 23, 2023 | Celtics | 88 | Blazers | 85 |
| February | 24, 2023 | Celtics | 110 | Pelicans | 119 |
| February | 25, 2023 | Celtics | 122 | Lakers | 112 |
| February | 26, 2023 | Clippers | 114 | Celtics | 126 |
| March | 1, 2023 | Bulls | 105 | Celtics | 127 |
| March | 2, 2023 | Hawks | 123 | Celtics | 117 |
| March | 3, 2023 | Warriors | 88 | Celtics | 121 |
| March | 4, 2023 | Celtics | 122 | Knicks | 115 |
| March | 7, 2023 | 76ers | 68 | Celtics | 128 |
| March | 9, 2023 | Celtics | 99 | Bulls | 111 |
| March | 10, 2023 | Bulls | 109 | Celtics | 125 |
| March | 12, 2023 | Bucks | 122 | Celtics | 133 |
| March | 16, 2023 | Pacers | 112 | Celtics | 111 |
| March | 17, 2023 | Celtics | 115 | Knicks | 138 |
| March | 18, 2023 | Celtics | 90 | Knicks | 113 |
| March | 19, 2023 | Heat | 99 | Celtics | 101 |
| March | 20, 2023 | Nets | 91 | Celtics | 99 |
| March | 21, 2023 | Celtics | 75 | Spurs | 83 |
| March | 22, 2023 | Celtics | 112 | Nuggets | 126 |
| March | 23, 2023 | Celtics | 97 | Suns | 103 |
| March | 25, 2023 | Celtics | 107 | Pacers | 111 |
| March | 26, 2023 | Pelicans | 110 | Celtics | 129 |
| March | 28, 2023 | Hawks | 124 | Celtics | 114 |
| March | 29, 2023 | Celtics | 118 | Kings | 108 |
| March | 30, 2023 | Celtics | 126 | Bucks | 111 |
| April | 6, 2023 | Sonics | 101 | Celtics | 145 |
| April | 7, 2023 | Celtics | 126 | Clippers | 123 |
| April | 10, 2023 | Celtics | 111 | Heat | 99 |
| April | 14, 2023 | Blazers | 85 | Celtics | 91 |
| April | 15, 2023 | Celtics | 113 | Bucks | 106 |
| April | 16, 2023 | Pacers | 133 | Celtics | 115 |
| April | 18, 2023 | Celtics | 112 | Heat | 117 |
| April | 20, 2023 | Celtics | 119 | Nets | 109 |
| April | 24, 2023 | Celtics | 119 | Mavericks | 135 |
| April | 25, 2023 | Celtics | 108 | Grizzlies | 121 |
| April | 26, 2023 | Celtics | 92 | Rockets | 74 |
| Post | 1, 2023 | Celtics | 133 | Knicks | 121 |
| Post | 2, 2023 | Celtics | 120 | Knicks | 122 |
| Post | 3, 2023 | Knicks | 115 | Celtics | 105 |
| Post | 4, 2023 | Knicks | 106 | Celtics | 133 |
| Post | 5, 2023 | Celtics | 126 | Knicks | 128 |
| Post | 6, 2023 | Knicks | 119 | Celtics | 113 |
| Post | 7, 2023 | Celtics | | Knicks | |