2008 Philadelphia Phillies season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 1 | Padres | 3–2 | Thatcher (0–3) | 33001 | 16–13 |
| May 2 | Giants | 6–5 (10) | Wilson (0–1) | 38270 | 17–13 |
| May 3 | Giants | 3–2 (10) | Seánez (2–2) | 43804 | 17–14 |
| May 4 | Giants | 6–5 | Yabu (2–2) | 45110 | 18–14 |
| May 5 | @ D-backs | 11–4 | Scherzer (0–1) | 21266 | 19–14 |
| May 6 | @ D-backs | 6–4 | Eaton (0–1) | 26234 | 19–15 |
| May 7 | @ D-backs | 5–4 | Qualls (0–3) | 21260 | 20–15 |
| May 8 | @ D-backs | 8–3 | Myers (2–3) | 21942 | 20–16 |
| May 9 | @ Giants | 7–4 | Walker (1–1) | 33796 | 21–16 |
| May 10 | @ Giants | 8–2 | Moyer (2–3) | 34064 | 21–17 |
| May 11 | @ Giants | 4–3 | Romero (3-1) | 35999 | 21–18 |