| month | day | visitor | score | home | score |
|---|
| November | 2, 2022 | 76ers | 116 | Celtics | 118 |
| November | 5, 2022 | Celtics | 99 | Knicks | 146 |
| November | 8, 2022 | Hornets | 96 | Celtics | 90 |
| November | 9, 2022 | Magic | 104 | Celtics | 97 |
| November | 11, 2022 | Wizards | 112 | Celtics | 101 |
| November | 14, 2022 | Grizzlies | 107 | Celtics | 113 |
| November | 17, 2022 | Hornets | 112 | Celtics | 105 |
| November | 18, 2022 | Celtics | 104 | Nets | 114 |
| November | 20, 2022 | Celtics | 113 | Raptors | 134 |
| November | 22, 2022 | Celtics | 128 | Grizzlies | 132 |
| November | 23, 2022 | Wolves | 114 | Celtics | 95 |
| November | 27, 2022 | Hawks | 130 | Celtics | 113 |
| November | 28, 2022 | Celtics | 112 | Pistons | 123 |
| December | 1, 2022 | Spurs | 110 | Celtics | 101 |
| December | 3, 2022 | Celtics | 112 | Hawks | 124 |
| December | 4, 2022 | Celtics | 94 | Warriors | 143 |
| December | 6, 2022 | Celtics | 102 | Hawks | 125 |
| December | 7, 2022 | Celtics | 113 | Jazz | 150 |
| December | 11, 2022 | Celtics | 97 | Pacers | 134 |
| December | 15, 2022 | Celtics | 105 | Wizards | 132 |
| December | 16, 2022 | Suns | 107 | Celtics | 100 |
| December | 19, 2022 | Kings | 115 | Celtics | 108 |
| December | 20, 2022 | Celtics | 100 | Thunder | 142 |
| December | 22, 2022 | Celtics | 99 | Heat | 135 |
| December | 25, 2022 | Cavaliers | 101 | Celtics | 113 |
| December | 28, 2022 | Celtics | 108 | Cavaliers | 116 |
| December | 30, 2022 | Celtics | 127 | 76ers | 123 |
| December | 31, 2022 | Pistons | 119 | Celtics | 114 |
| January | 3, 2023 | Raptors | 115 | Celtics | 93 |
| January | 5, 2023 | Bucks | 119 | Celtics | 94 |
| January | 8, 2023 | Trailblazers | 130 | Celtics | 102 |
| January | 12, 2023 | Celtics | 114 | Lakers | 109 |
| January | 16, 2023 | Bulls | 120 | Celtics | 93 |
| January | 18, 2023 | Celtics | 91 | Magic | 136 |
| January | 19, 2023 | Bulls | 106 | Celtics | 132 |
| January | 21, 2023 | Celtics | 116 | Bulls | 143 |
| January | 24, 2023 | Pelicans | 110 | Celtics | 111 |
| January | 25, 2023 | Magic | 111 | Celtics | 113 |
| January | 30, 2023 | Celtics | 121 | Nuggets | 126 |
| January | 31, 2023 | Wizards | 125 | Celtics | 110 |
| February | 1, 2023 | Pacers | 139 | Celtics | 98 |
| February | 4, 2023 | 76ers | 117 | Celtics | 96 |
| February | 6, 2023 | Jazz | 132 | Celtics | 125 |
| February | 12, 2023 | Warriors | 108 | Celtics | 92 |
| February | 14, 2023 | Celtics | 80 | Bucks | 129 |
| February | 15, 2023 | Celtics | 95 | Suns | 133 |
| February | 18, 2023 | Celtics | 92 | Raptors | 121 |
| February | 20, 2023 | Celtics | 78 | Mavericks | 115 |
| February | 22, 2023 | Clippers | 118 | Celtics | 117 |
| February | 24, 2023 | Nets | 85 | Celtics | 91 |
| February | 25, 2023 | Celtics | 93 | Magic | 133 |
| February | 26, 2023 | Pacers | 108 | Celtics | 111 |
| February | 28, 2023 | Cavaliers | 100 | Celtics | 94 |
| March | 4, 2023 | Pistons | 92 | Celtics | 101 |
| March | 6, 2023 | Raptors | 118 | Celtics | 95 |
| March | 8, 2023 | Knicks | 128 | Celtics | 126 |
| March | 9, 2023 | Mavericks | 128 | Celtics | 103 |
| March | 11, 2023 | Celtics | 97 | Rockets | 139 |
| March | 12, 2023 | Celtics | 105 | Cavaliers | 112 |
| March | 14, 2023 | Heat | 122 | Celtics | 100 |
| March | 15, 2023 | Lakers | 116 | Celtics | 84 |
| March | 18, 2023 | Celtics | 105 | Nets | 127 |
| March | 20, 2023 | Celtics | 107 | Knicks | 127 |
| March | 21, 2023 | Celtics | 89 | Bucks | 114 |
| March | 24, 2023 | Celtics | 110 | Clippers | 139 |
| March | 26, 2023 | Celtics | 95 | Bulls | 119 |
| March | 30, 2023 | Hawks | 107 | Celtics | 136 |
| April | 1, 2023 | Celtics | 117 | Kings | 128 |
| April | 3, 2023 | Nets | 128 | Celtics | 109 |
| April | 5, 2023 | Celtics | 117 | Pelicans | 133 |
| April | 6, 2023 | Celtics | 114 | Wolves | 151 |
| April | 8, 2023 | Rockets | 117 | Celtics | 94 |
| April | 11, 2023 | Celtics | 112 | Spurs | 126 |
| April | 12, 2023 | Celtics | 110 | Trailblazers | 112 |
| April | 13, 2023 | Nuggets | 108 | Celtics | 98 |
| April | 14, 2023 | Thunder | 150 | Celtics | 107 |
| April | 18, 2023 | Celtics | 104 | Wizards | 126 |
| April | 22, 2023 | Bucks | 119 | Celtics | 134 |
| April | 25, 2023 | Celtics | 126 | Heat | 117 |
| April | 28, 2023 | Celtics | 116 | Hornets | 103 |
| April | 30, 2023 | Celtics | 88 | Pacers | 128 |
| May | 1, 2023 | Celtics | 119 | Pistons | 142 |