2008 New York Mets season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 2 | @ Diamondbacks | 7–2 | Owings (4–1) | 35682 | 15–12 |
| May 3 | @ Diamondbacks | 10–4 | Pelfrey (2–2) | 34744 | 15–13 |
| May 4 | @ Diamondbacks | 5–2 | Qualls (0–2) | 37593 | 16–13 |
| May 5 | @ Dodgers | 5–1 | Pérez (3–2) | 44181 | 16–14 |
| May 6 | @ Dodgers | 5–4 | Figueroa (2–2) | 43927 | 16–15 |
| May 7 | @ Dodgers | 12–1 | Penny (5–3) | 40696 | 17–15 |
| May 9 | Reds | Postponed (rain) Rescheduled for May 10 | Postponed (rain) Rescheduled for May 10 | Postponed (rain) Rescheduled for May 10 | Postponed (rain) Rescheduled for May 10 |
| May 10 | Reds | 12–6 | Belisle (1–3) | 55186 | 18–15 |
| May 10 | Reds | 7–1 | Pelfrey (2–3) | 47673 | 18–16 |