| No. | Name | Birth Date | Age | Country | Position | Height | Weight | Preferred foot |
| 7 | Jaylen Brown | 1996-10-24 | 28 | Guard-Forward | 198 | 101 | ||
| Jayson Tatum | 1998-03-03 | 26 | F-G | 203 | 95 | |||
| 11 | Payton Pritchard | 1998-01-28 | 26 | Guard | 185 | 88 | ||
| 42 | Al Horford | 1986-06-03 | 38 | Center-Forward | 206 | 109 | ||
| 30 | Sam Hauser | 1997-12-08 | 27 | 201 | 102 | |||
| 9 | Derrick White | 1994-07-02 | 30 | Guard | 193 | 86 | ||
| 40 | Luke Kornet | 1995-07-15 | 29 | Forward-Center | 216 | 113 | ||
| 8 | Kristaps Porzingis | 1995-08-02 | 29 | Forward-Center | 218 | 109 | ||
| 27 | Jordan Walsh | 2004-03-03 | 20 | 201 | 98 | |||
| 88 | Neemias Queta | 1999-07-13 | 25 | 213 | 117 | |||
| 4 | Jrue Holiday | 1990-06-12 | 34 | Guard | 193 | 93 | ||
| 13 | Drew Peterson | 1999-11-09 | 25 | 203 | 93 | |||
| 44 | Jaden Springer | 2002-09-25 | 22 | 193 | 98 | |||
| 55 | Baylor Scheierman | 2000-09-26 | 24 | 198 | 92 | |||
| 28 | Anton Watson | 2000-10-06 | 24 | 203 | 107 | |||
| 26 | Xavier Tillman | 1999-01-12 | 25 | 201 | 111 | |||
| 20 | JD Davison | 2002-10-03 | 22 | 191 | 88 | |||
| 29 | Tristan Enaruna | 2001-06-26 | 23 | 203 | 98 | |||
| 41 | Dmytro Skapintsev | 1998-05-12 | 26 | 216 | 98 |