1999 Cleveland Indians season Game log August

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| August 21 | @ Mariners | 6 - 0 | Meche (4-3) | 44891 | 75-47 |
| August 22 | @ Mariners | 7 - 4 (10) | Mesa (1-5) | 44941 | 76-47 |
| August 23 | @ Mariners | 4 - 1 | Nagy (13-9) | 44689 | 76-48 |
| August 24 | @ Athletics | 11 - 10 | Shuey (7-5) | 17417 | 76-49 |
| August 25 | @ Athletics | 12 - 4 | Oquist (9-9) | 21328 | 77-49 |
| August 27 | Devil Rays | 2 - 1 | Arrojo (4-9) | 43303 | 78-49 |
| August 28 | Devil Rays | 3 - 0 | Witt (7-11) | 43190 | 79-49 |
| August 29 | Devil Rays | 6 - 4 | Haney (0-1) | 43151 | 79-50 |
| August 30 | Angels | 7 - 5 | Levine (1-1) | 43295 | 80-50 |
| August 31 | Angels | 14 - 12 | Percival (3-4) | 43284 | 81-50 |