| month | day | visitor | score | home | score |
|---|
| November | 2, 2022 | 76ers | 125 | Celtics | 96 |
| November | 5, 2022 | Celtics | 84 | Knicks | 119 |
| November | 8, 2022 | Hornets | 122 | Celtics | 125 |
| November | 9, 2022 | Magic | 123 | Celtics | 105 |
| November | 11, 2022 | Wizards | 113 | Celtics | 130 |
| November | 14, 2022 | Grizzlies | 120 | Celtics | 115 |
| November | 17, 2022 | Hornets | 100 | Celtics | 147 |
| November | 18, 2022 | Celtics | 109 | Nets | 121 |
| November | 20, 2022 | Celtics | 88 | Raptors | 118 |
| November | 22, 2022 | Celtics | 103 | Grizzlies | 108 |
| November | 23, 2022 | Wolves | 139 | Celtics | 133 |
| November | 27, 2022 | Hawks | 116 | Celtics | 109 |
| November | 28, 2022 | Celtics | 90 | Pistons | 112 |
| December | 1, 2022 | Spurs | 134 | Celtics | 105 |
| December | 3, 2022 | Celtics | 114 | Hawks | 142 |
| December | 4, 2022 | Celtics | 108 | Warriors | 126 |
| December | 6, 2022 | Celtics | 119 | Hawks | 123 |
| December | 7, 2022 | Celtics | 102 | Jazz | 135 |
| December | 11, 2022 | Celtics | 103 | Pacers | 127 |
| December | 15, 2022 | Celtics | 126 | Wizards | 130 |
| December | 16, 2022 | Suns | 127 | Celtics | 112 |
| December | 19, 2022 | Kings | 124 | Celtics | 111 |
| December | 20, 2022 | Celtics | 93 | Thunder | 135 |
| December | 22, 2022 | Celtics | 114 | Heat | 127 |
| December | 25, 2022 | Cavaliers | 99 | Celtics | 119 |
| December | 28, 2022 | Celtics | 108 | Cavaliers | 99 |
| December | 30, 2022 | Celtics | 126 | 76ers | 109 |
| December | 31, 2022 | Pistons | 105 | Celtics | 102 |
| January | 3, 2023 | Raptors | 120 | Celtics | 129 |
| January | 5, 2023 | Bucks | 125 | Celtics | 96 |
| January | 8, 2023 | Trailblazers | 118 | Celtics | 116 |
| January | 12, 2023 | Celtics | 111 | Lakers | 117 |
| January | 16, 2023 | Bulls | 126 | Celtics | 111 |
| January | 18, 2023 | Celtics | 105 | Magic | 123 |
| January | 19, 2023 | Bulls | 135 | Celtics | 109 |
| January | 21, 2023 | Celtics | 98 | Bulls | 130 |
| January | 24, 2023 | Pelicans | 121 | Celtics | 120 |
| January | 25, 2023 | Magic | 110 | Celtics | 98 |
| January | 30, 2023 | Celtics | 115 | Nuggets | 117 |
| January | 31, 2023 | Wizards | 127 | Celtics | 100 |
| February | 1, 2023 | Pacers | 127 | Celtics | 90 |
| February | 4, 2023 | 76ers | 111 | Celtics | 107 |
| February | 6, 2023 | Jazz | 124 | Celtics | 84 |
| February | 12, 2023 | Warriors | 135 | Celtics | 100 |
| February | 14, 2023 | Celtics | 56 | Bucks | 90 |
| February | 15, 2023 | Celtics | 89 | Suns | 138 |
| February | 18, 2023 | Celtics | 116 | Raptors | 128 |
| February | 20, 2023 | Celtics | 101 | Mavericks | 109 |
| February | 22, 2023 | Clippers | 114 | Celtics | 91 |
| February | 24, 2023 | Nets | 117 | Celtics | 120 |
| February | 25, 2023 | Celtics | 84 | Magic | 122 |
| February | 26, 2023 | Pacers | 95 | Celtics | 113 |
| February | 28, 2023 | Cavaliers | 122 | Celtics | 126 |
| March | 4, 2023 | Pistons | 113 | Celtics | 100 |
| March | 6, 2023 | Raptors | 107 | Celtics | 116 |
| March | 8, 2023 | Knicks | 129 | Celtics | 122 |
| March | 9, 2023 | Mavericks | 141 | Celtics | 112 |
| March | 11, 2023 | Celtics | 103 | Rockets | 132 |
| March | 12, 2023 | Celtics | 104 | Cavaliers | 123 |
| March | 14, 2023 | Heat | 121 | Celtics | 85 |
| March | 15, 2023 | Lakers | 84 | Celtics | 102 |
| March | 18, 2023 | Celtics | 129 | Nets | 133 |
| March | 20, 2023 | Celtics | 99 | Knicks | 122 |
| March | 21, 2023 | Celtics | 96 | Bucks | 124 |
| March | 24, 2023 | Celtics | 133 | Clippers | 137 |
| March | 26, 2023 | Celtics | 92 | Bulls | 121 |
| March | 30, 2023 | Hawks | 124 | Celtics | 109 |
| April | 1, 2023 | Celtics | 119 | Kings | 126 |
| April | 3, 2023 | Nets | 120 | Celtics | 91 |
| April | 5, 2023 | Celtics | 125 | Pelicans | 135 |
| April | 6, 2023 | Celtics | 125 | Wolves | 128 |
| April | 8, 2023 | Rockets | 130 | Celtics | 111 |
| April | 11, 2023 | Celtics | 106 | Spurs | 114 |
| April | 12, 2023 | Celtics | 127 | Trailblazers | 134 |
| April | 13, 2023 | Nuggets | 111 | Celtics | 113 |
| April | 14, 2023 | Thunder | 105 | Celtics | 113 |
| April | 18, 2023 | Celtics | 97 | Wizards | 135 |
| April | 22, 2023 | Bucks | 125 | Celtics | 97 |
| April | 25, 2023 | Celtics | 125 | Heat | 139 |
| April | 28, 2023 | Celtics | 115 | Hornets | 134 |
| April | 30, 2023 | Celtics | 87 | Pacers | 137 |
| May | 1, 2023 | Celtics | 105 | Pistons | 111 |