2008 New York Mets season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 11 | Reds | 8–3 | Cueto (2–4) | 49264 | 19–16 |
| May 12 | Nationals | 10–4 | Figueroa (2–3) | 45321 | 19–17 |
| May 13 | Nationals | 6–3 | Lannan (3–4) | 46618 | 20–17 |
| May 14 | Nationals | 5–3 | Vargas (0–1) | 48529 | 20–18 |
| May 15 | Nationals | 1–0 | Pelfrey (2–4) | 51769 | 20–19 |
| May 16 | @ Yankees | Postponed (rain) Rescheduled for June 27 | Postponed (rain) Rescheduled for June 27 | Postponed (rain) Rescheduled for June 27 | Postponed (rain) Rescheduled for June 27 |
| May 17 | @ Yankees | 7–4 | Pettitte (3–5) | 55093 | 21–19 |
| May 18 | @ Yankees | 11–2 | Wang (6–2) | 55012 | 22–19 |
| May 20 | @ Braves | 6–1 | Maine (5–3) | 26873 | 22–20 |
| May 20 | @ Braves | 6–2 | Vargas (0–2) | 25590 | 22–21 |