| month | day | visitor | score | home | score |
|---|
| November | 2, 2022 | Bucks | 107 | Celtics | 79 |
| November | 4, 2022 | Celtics | 133 | Hornets | 104 |
| November | 6, 2022 | Celtics | 106 | Heat | 110 |
| November | 8, 2022 | Knicks | 124 | Celtics | 109 |
| November | 11, 2022 | Celtics | 94 | Pistons | 100 |
| November | 12, 2022 | Jazz | 114 | Celtics | 115 |
| November | 14, 2022 | Celtics | 76 | Nets | 111 |
| November | 16, 2022 | Celtics | 109 | Wizards | 113 |
| November | 17, 2022 | Hornets | 110 | Celtics | 125 |
| November | 19, 2022 | Wolves | 120 | Celtics | 96 |
| November | 21, 2022 | Celtics | 118 | Pacers | 138 |
| November | 24, 2022 | Kings | 133 | Celtics | 109 |
| November | 25, 2022 | Nuggets | 116 | Celtics | 87 |
| November | 28, 2022 | Lakers | 128 | Celtics | 94 |
| November | 30, 2022 | Celtics | 94 | Hawks | 126 |
| December | 2, 2022 | Clippers | 127 | Celtics | 115 |
| December | 5, 2022 | Celtics | 112 | Cavaliers | 117 |
| December | 6, 2022 | Bulls | 104 | Celtics | 140 |
| December | 9, 2022 | Celtics | 103 | Rockets | 118 |
| December | 12, 2022 | Celtics | 100 | Grizzlies | 131 |
| December | 14, 2022 | Thunder | 137 | Celtics | 111 |
| December | 15, 2022 | Mavericks | 141 | Celtics | 110 |
| December | 17, 2022 | Trailblazers | 118 | Celtics | 113 |
| December | 18, 2022 | Celtics | 126 | Suns | 147 |
| December | 20, 2022 | Celtics | 100 | Trailblazers | 129 |
| December | 22, 2022 | Raptors | 123 | Celtics | 110 |
| December | 25, 2022 | Celtics | 118 | 76ers | 121 |
| December | 28, 2022 | Magic | 110 | Celtics | 94 |
| December | 31, 2022 | Celtics | 102 | Nets | 124 |
| January | 2, 2023 | Hawks | 125 | Celtics | 124 |
| January | 4, 2023 | Celtics | 94 | Thunder | 120 |
| January | 6, 2023 | Wizards | 129 | Celtics | 110 |
| January | 9, 2023 | Cavaliers | 131 | Celtics | 111 |
| January | 11, 2023 | Celtics | 102 | Magic | 109 |
| January | 13, 2023 | Celtics | 103 | Jazz | 109 |
| January | 15, 2023 | Spurs | 128 | Celtics | 94 |
| January | 16, 2023 | Rockets | 106 | Celtics | 112 |
| January | 18, 2023 | 76ers | 103 | Celtics | 123 |
| January | 21, 2023 | Celtics | 98 | Nuggets | 87 |
| January | 22, 2023 | Pelicans | 126 | Celtics | 133 |
| January | 25, 2023 | Celtics | 108 | Warriors | 118 |
| January | 27, 2023 | Celtics | 115 | Hornets | 119 |
| February | 2, 2023 | Pacers | 109 | Celtics | 113 |
| February | 4, 2023 | Celtics | 111 | Wolves | 133 |
| February | 5, 2023 | Celtics | 116 | Pelicans | 124 |
| February | 7, 2023 | Celtics | 116 | Kings | 118 |
| February | 12, 2023 | Bucks | 100 | Celtics | 68 |
| February | 14, 2023 | Celtics | 90 | Knicks | 137 |
| February | 17, 2023 | Heat | 124 | Celtics | 121 |
| February | 20, 2023 | Celtics | 91 | Lakers | 106 |
| February | 23, 2023 | Wizards | 117 | Celtics | 122 |
| February | 25, 2023 | Celtics | 129 | Bucks | 118 |
| February | 28, 2023 | Hornets | 112 | Celtics | 126 |
| March | 3, 2023 | Celtics | 97 | Bulls | 124 |
| March | 5, 2023 | Celtics | 82 | Spurs | 129 |
| March | 7, 2023 | Raptors | 94 | Celtics | 119 |
| March | 9, 2023 | Celtics | 105 | 76ers | 106 |
| March | 11, 2023 | Bulls | 141 | Celtics | 106 |
| March | 12, 2023 | Celtics | 111 | Mavericks | 127 |
| March | 14, 2023 | Celtics | 117 | Knicks | 135 |
| March | 17, 2023 | Pistons | 110 | Celtics | 101 |
| March | 18, 2023 | Celtics | 107 | Cavaliers | 118 |
| March | 21, 2023 | Suns | 141 | Celtics | 90 |
| March | 24, 2023 | Heat | 115 | Celtics | 111 |
| March | 27, 2023 | Pacers | 131 | Celtics | 119 |
| March | 30, 2023 | Celtics | 97 | Clippers | 118 |
| April | 2, 2023 | Celtics | 105 | Wizards | 121 |
| April | 4, 2023 | Grizzlies | 92 | Celtics | 111 |
| April | 6, 2023 | Celtics | 117 | Bucks | 155 |
| April | 7, 2023 | Celtics | 102 | Hawks | 129 |
| April | 9, 2023 | Celtics | 116 | Raptors | 133 |
| April | 10, 2023 | Knicks | 102 | Celtics | 131 |
| April | 12, 2023 | Warriors | 117 | Celtics | 99 |
| April | 14, 2023 | 76ers | 132 | Celtics | 130 |
| April | 16, 2023 | Celtics | 111 | Magic | 113 |
| April | 18, 2023 | Celtics | 106 | Pistons | 119 |
| April | 20, 2023 | Nets | 108 | Celtics | 113 |
| April | 22, 2023 | Hawks | 120 | Celtics | 114 |
| April | 24, 2023 | Celtics | 92 | Pacers | 115 |
| April | 25, 2023 | Magic | 108 | Celtics | 123 |
| April | 28, 2023 | Cavaliers | 112 | Celtics | 109 |
| May | 1, 2023 | Celtics | 125 | Bulls | 127 |