2006 Cincinnati Reds season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 11 | Nationals | 5 - 4 | Eischen (0-1) | 15771 | 23-12 |
| May 12 | Phillies | 8 - 4 | Ramírez (1-3) | 21709 | 23-13 |
| May 13 | Phillies | 2 - 0 | Williams (2-3) | 32620 | 23-14 |
| May 14 | Phillies | 2 - 1 | Hammond (0-1) | 19673 | 23-15 |
| May 16 | @ Pirates | 9 - 3 | Harang (5-2) | 14315 | 23-16 |
| May 17 | @ Pirates | 7 - 2 | Arroyo (5-2) | 14897 | 23-17 |
| May 18 | @ Pirates | 9 - 8 | Capps (1-1) | 18502 | 24-17 |
| May 19 | @ Tigers | 9 - 4 | Bonderman (4-3) | 26933 | 25-17 |
| May 20 | @ Tigers | 7 - 6 | Weathers (1-2) | 43128 | 25-18 |
| May 21 | @ Tigers | 1 - 0 | Harang (5-3) | 31515 | 25-19 |