| month | day | visitor | score | home | score |
|---|
| November | 2, 2022 | Spurs | 82 | Celtics | 103 |
| November | 3, 2022 | Cavaliers | 99 | Celtics | 113 |
| November | 4, 2022 | Heat | 99 | Celtics | 106 |
| November | 5, 2022 | Celtics | 99 | Clippers | 83 |
| November | 7, 2022 | Pistons | 95 | Celtics | 108 |
| November | 9, 2022 | Sonics | 98 | Celtics | 110 |
| November | 13, 2022 | Celtics | 102 | Suns | 90 |
| November | 14, 2022 | Celtics | 101 | Heat | 123 |
| November | 16, 2022 | Celtics | 110 | Knicks | 115 |
| November | 18, 2022 | Bulls | 100 | Celtics | 123 |
| November | 19, 2022 | Celtics | 113 | Bulls | 100 |
| November | 24, 2022 | Celtics | 95 | Hornets | 74 |
| November | 25, 2022 | Hornets | 90 | Celtics | 89 |
| November | 26, 2022 | Knicks | 105 | Celtics | 124 |
| November | 27, 2022 | Rockets | 86 | Celtics | 106 |
| November | 28, 2022 | Celtics | 106 | Cavaliers | 98 |
| November | 29, 2022 | Raptors | 113 | Celtics | 121 |
| November | 30, 2022 | 76ers | 82 | Celtics | 98 |
| December | 2, 2022 | 76ers | 69 | Celtics | 83 |
| December | 3, 2022 | Celtics | 113 | Raptors | 99 |
| December | 5, 2022 | Celtics | 114 | Grizzlies | 86 |
| December | 6, 2022 | Celtics | 89 | Rockets | 112 |
| December | 10, 2022 | Celtics | 116 | Nuggets | 95 |
| December | 16, 2022 | Celtics | 117 | Cavaliers | 108 |
| December | 18, 2022 | Celtics | 110 | Knicks | 119 |
| December | 19, 2022 | Bulls | 94 | Celtics | 118 |
| December | 22, 2022 | Heat | 104 | Celtics | 127 |
| December | 24, 2022 | Hornets | 99 | Celtics | 117 |
| December | 25, 2022 | Celtics | 117 | Heat | 99 |
| December | 30, 2022 | Suns | 102 | Celtics | 113 |
| January | 2, 2023 | Celtics | 102 | Hornets | 103 |
| January | 3, 2023 | Celtics | 111 | Raptors | 87 |
| January | 4, 2023 | Grizzlies | 86 | Celtics | 108 |
| January | 8, 2023 | Pistons | 97 | Celtics | 82 |
| January | 9, 2023 | Celtics | 93 | Hornets | 99 |
| January | 10, 2023 | Grizzlies | 90 | Celtics | 118 |
| January | 11, 2023 | Hornets | 88 | Celtics | 123 |
| January | 13, 2023 | Knicks | 89 | Celtics | 116 |
| January | 15, 2023 | Celtics | 124 | Knicks | 96 |
| January | 16, 2023 | Celtics | 107 | Grizzlies | 92 |
| January | 19, 2023 | Cavaliers | 75 | Celtics | 114 |
| January | 22, 2023 | 76ers | 80 | Celtics | 116 |
| January | 23, 2023 | Celtics | 98 | Timberwolves | 81 |
| January | 25, 2023 | Celtics | 111 | Heat | 107 |
| January | 26, 2023 | Celtics | 111 | Heat | 91 |
| January | 28, 2023 | Celtics | 111 | 76ers | 93 |
| February | 5, 2023 | Warriors | | Celtics | |
| February | 7, 2023 | Nuggets | | Celtics | |
| February | 8, 2023 | Celtics | | Grizzlies | |
| February | 10, 2023 | Celtics | | Bulls | |
| February | 11, 2023 | Celtics | | 76ers | |
| February | 14, 2023 | Raptors | | Celtics | |
| February | 15, 2023 | Pistons | | Celtics | |
| February | 16, 2023 | Raptors | | Celtics | |
| February | 18, 2023 | Celtics | | Lakers | |
| February | 19, 2023 | Raptors | | Celtics | |
| February | 21, 2023 | Celtics | | Jazz | |
| February | 23, 2023 | Celtics | | Pistons | |
| February | 25, 2023 | Bulls | | Celtics | |
| March | 2, 2023 | Grizzlies | | Celtics | |
| March | 3, 2023 | Celtics | | Raptors | |
| March | 6, 2023 | Celtics | | Knicks | |
| March | 7, 2023 | Celtics | | Heat | |
| March | 8, 2023 | Celtics | | Warriors | |
| March | 9, 2023 | Celtics | | Sonics | |
| March | 11, 2023 | Lakers | | Celtics | |
| March | 12, 2023 | Celtics | | Bulls | |
| March | 15, 2023 | Celtics | | Hornets | |
| March | 19, 2023 | Celtics | | Pistons | |
| March | 23, 2023 | Hornets | | Celtics | |
| March | 26, 2023 | Celtics | | 76ers | |
| March | 29, 2023 | Cavaliers | | Celtics | |
| April | 1, 2023 | Celtics | | Spurs | |
| April | 6, 2023 | Knicks | | Celtics | |
| April | 7, 2023 | 76ers | | Celtics | |
| April | 8, 2023 | Jazz | | Celtics | |
| April | 10, 2023 | Cavaliers | | Celtics | |
| April | 11, 2023 | Bulls | | Celtics | |
| April | 14, 2023 | Timberwolves | | Celtics | |
| April | 16, 2023 | Celtics | | Pistons | |
| April | 17, 2023 | Celtics | | Cavaliers | |
| April | 19, 2023 | Clippers | | Celtics | |