| PLAYER | POSITION | NUMBER | SALARY | AGE | HEIGHT | WEIGHT | COLLEGE |
| Avery Bradley | Point Guard | 0 | $7,730,337 | 25 | 6-2 | 180 | Texas |
| Jae Crowder | Small Forward | 99 | $6,796,117 | 25 | 6-6 | 235 | Marquette |
| R.J. Hunter | Shooting Guard | 28 | $1,148,640 | 22 | 6-5 | 185 | Georgia State |
| Jonas Jerebko | Power Forward | 8 | $5,000,000 | 28 | 6-10 | 231 | |
| Amir Johnson | Power Forward | 90 | $12,000,000 | 28 | 6-9 | 240 | |
| Jordan Mickey | Power Forward | 55 | $1,170,960 | 21 | 6-8 | 235 | LSU |
| Kelly Olynyk | Center | 41 | $2,165,160 | 24 | 7-0 | 238 | Gonzaga |
| Terry Rozier | Point Guard | 12 | $1,824,360 | 21 | 6-2 | 190 | Louisville |
| Marcus Smart | Point Guard | 36 | $3,431,040 | 21 | 6-4 | 220 | Oklahoma State |
| Jared Sullinger | Center | 7 | $2,569,260 | 23 | 6-9 | 260 | Ohio State |
| Isaiah Thomas | Point Guard | 4 | $6,912,869 | 27 | 5-9 | 185 | Washington |
| Evan Turner | Shooting Guard | 11 | $3,425,510 | 27 | 6-7 | 220 | Ohio State |
| James Young | Shooting Guard | 13 | $1,749,840 | 20 | 6-6 | 215 | Kentucky |
| Tyler Zeller | Center | 44 | $2,616,975 | 26 | 7-0 | 253 | North Carolina |
The Boston Celtics 2018/2019 roster and depth chart are updated daily to reflect any team moves via free agency, trades or the draft.