| month | day | visitor | score | home | score |
|---|
| November | 2, 2022 | Celtics | 120 | Cavaliers | 93 |
| November | 3, 2022 | Celtics | 120 | Timberwolves | 93 |
| November | 4, 2022 | Knicks | 88 | Celtics | 121 |
| November | 5, 2022 | Bulls | 96 | Celtics | 100 |
| November | 8, 2022 | Celtics | 113 | Sonics | 95 |
| November | 9, 2022 | Celtics | 130 | Raptors | 94 |
| November | 13, 2022 | Grizzlies | 106 | Celtics | 120 |
| November | 15, 2022 | Celtics | 112 | Hornets | 86 |
| November | 16, 2022 | Pistons | 96 | Celtics | 114 |
| November | 22, 2022 | Suns | 104 | Celtics | 125 |
| November | 23, 2022 | Knicks | 97 | Celtics | 117 |
| November | 25, 2022 | Bulls | 102 | Celtics | 114 |
| November | 27, 2022 | Celtics | 128 | Nuggets | 131 |
| November | 29, 2022 | Celtics | 110 | Bulls | 96 |
| December | 1, 2022 | 76ers | 95 | Celtics | 122 |
| December | 3, 2022 | Celtics | 117 | Grizzlies | 98 |
| December | 4, 2022 | Celtics | 117 | Raptors | 129 |
| December | 5, 2022 | Lakers | 98 | Celtics | 123 |
| December | 6, 2022 | Celtics | 124 | Jazz | 112 |
| December | 8, 2022 | 76ers | 75 | Celtics | 96 |
| December | 11, 2022 | Celtics | 104 | Hornets | 84 |
| December | 12, 2022 | Celtics | 114 | Cavaliers | 103 |
| December | 14, 2022 | Sonics | 91 | Celtics | 127 |
| December | 15, 2022 | Cavaliers | 95 | Celtics | 98 |
| December | 16, 2022 | Celtics | 100 | Cavaliers | 114 |
| December | 17, 2022 | Celtics | 112 | Heat | 130 |
| December | 18, 2022 | Hornets | 90 | Celtics | 113 |
| December | 26, 2022 | Rockets | 81 | Celtics | 100 |
| December | 27, 2022 | Raptors | 108 | Celtics | 106 |
| December | 28, 2022 | Raptors | 96 | Celtics | 115 |
| December | 29, 2022 | Cavaliers | 97 | Celtics | 134 |
| December | 31, 2022 | Celtics | 130 | Knicks | 114 |
| January | 1, 2023 | Celtics | 115 | Knicks | 107 |
| January | 2, 2023 | Jazz | 76 | Celtics | 109 |
| January | 4, 2023 | Celtics | 118 | Rockets | 95 |
| January | 7, 2023 | Celtics | 112 | Clippers | 96 |
| January | 9, 2023 | Celtics | 130 | Pistons | 112 |
| January | 11, 2023 | Raptors | 111 | Celtics | 120 |
| January | 12, 2023 | Celtics | 110 | Heat | 107 |
| January | 16, 2023 | Warriors | 101 | Celtics | 119 |
| January | 17, 2023 | Celtics | 105 | Grizzlies | 99 |
| January | 18, 2023 | Raptors | 101 | Celtics | 109 |
| January | 19, 2023 | Celtics | 108 | 76ers | 95 |
| January | 20, 2023 | Celtics | 123 | Knicks | 120 |
| January | 21, 2023 | Celtics | 107 | Warriors | 95 |
| January | 27, 2023 | Celtics | 111 | Pistons | 91 |
| January | 30, 2023 | Grizzlies | 99 | Celtics | 113 |
| January | 31, 2023 | Bulls | 103 | Celtics | 119 |
| February | 5, 2023 | Celtics | 96 | Spurs | 92 |
| February | 9, 2023 | Pistons | 89 | Celtics | 113 |
| February | 11, 2023 | Timberwolves | 113 | Celtics | 96 |
| February | 12, 2023 | 76ers | 61 | Celtics | 88 |
| February | 14, 2023 | Celtics | 114 | Knicks | 99 |
| February | 17, 2023 | Heat | 90 | Celtics | 102 |
| February | 21, 2023 | Celtics | 122 | Raptors | 111 |
| February | 23, 2023 | Spurs | 94 | Celtics | 100 |
| February | 25, 2023 | Grizzlies | 81 | Celtics | 106 |
| February | 27, 2023 | Celtics | 107 | 76ers | 89 |
| February | 28, 2023 | Celtics | 97 | Grizzlies | 92 |
| March | 1, 2023 | Heat | 120 | Celtics | 129 |
| March | 3, 2023 | Knicks | 105 | Celtics | 121 |
| March | 8, 2023 | Celtics | 107 | Bulls | 110 |
| March | 9, 2023 | Hornets | 98 | Celtics | 126 |
| March | 10, 2023 | Clippers | 99 | Celtics | 102 |
| March | 12, 2023 | 76ers | 83 | Celtics | 97 |
| March | 13, 2023 | Celtics | 97 | Heat | 136 |
| March | 16, 2023 | Hornets | 87 | Celtics | 113 |
| March | 17, 2023 | Celtics | 101 | Suns | 87 |
| March | 21, 2023 | Pistons | 106 | Celtics | 130 |
| March | 22, 2023 | Celtics | 89 | Heat | 104 |
| March | 25, 2023 | Bulls | 107 | Celtics | 125 |
| March | 30, 2023 | Celtics | 110 | Bulls | 107 |
| April | 1, 2023 | Cavaliers | 106 | Celtics | 122 |
| April | 2, 2023 | Celtics | 128 | Pistons | 105 |
| April | 3, 2023 | Celtics | 84 | Hornets | 99 |
| April | 7, 2023 | Celtics | 124 | Lakers | 109 |
| April | 8, 2023 | Nuggets | 91 | Celtics | 118 |
| April | 9, 2023 | Cavaliers | 100 | Celtics | 114 |
| April | 11, 2023 | Hornets | 79 | Celtics | 112 |
| April | 14, 2023 | Celtics | 108 | Heat | 125 |
| April | 17, 2023 | Celtics | 106 | Hornets | 102 |
| April | 19, 2023 | Celtics | 120 | 76ers | 112 |
| Post | 1, 2023 | Knicks | 99 | Celtics | 112 |
| Post | 2, 2023 | Knicks | 98 | Celtics | 123 |
| Post | 3, 2023 | Celtics | 114 | Knicks | 93 |
| Post | 4, 2023 | Celtics | 121 | Knicks | 95 |
| Post | 5, 2023 | Knicks | | Celtics | |
| Post | 6, 2023 | Celtics | | Knicks | |
| Post | 7, 2023 | Knicks | | Celtics | |
| Post | 8, 2023 | Raptors | 70 | Celtics | 100 |
| Post | 9, 2023 | Raptors | 102 | Celtics | 109 |
| Post | 10, 2023 | Celtics | | Raptors | |
| Post | 11, 2023 | Celtics | | Raptors | |
| Post | 12, 2023 | Raptors | | Celtics | |
| Post | 13, 2023 | Celtics | | Raptors | |
| Post | 14, 2023 | Raptors | | Celtics | |