2008 Philadelphia Phillies season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 13 | Braves | 5–4 | Reyes (0–1) | 44101 | 22–18 |
| May 14 | Braves | 8–6 | Myers (2–4) | 36001 | 22–19 |
| May 15 | Braves | 5–0 | James (2–3) | 34120 | 23–19 |
| May 16 | Blue Jays | 10–3 | Purcey (0–1) | 36600 | 24–19 |
| May 17 | Blue Jays | 6–3 | Eaton (0–2) | 42604 | 24–20 |
| May 18 | Blue Jays | 6–5 | Seánez (2–3) | 42858 | 24–21 |
| May 19 | @ Nationals | 4–0 | Myers (2–5) | 25394 | 24–22 |
| May 20 | @ Nationals | 1–0 | Rauch (2–1) | 28105 | 25–22 |
| May 21 | @ Nationals | 12–2 | Chico (0–6) | 28055 | 26–22 |
| May 22 | @ Astros | 7–5 | Wright (3–2) | 29263 | 27–22 |
| May 23 | @ Astros | 4–3 | Eaton (0–3) | 41152 | 27–23 |
| May 24 | @ Astros | 4–3 | Myers (2–6) | 42660 | 27–24 |