The 1917 Pittsburgh Pirates season was the 36th season of the Pittsburgh Pirates franchise; the 31st in the National League. The Pirates finished eighth and last in the league standings with a record of 51–103.
Regular season
Season standings
Record vs. opponents
Game log
|- bgcolor="ffbbbb" | 1 || April 11 || @ Cubs || 3–5 || Vaughn || Evans (0–1) || — || — || 0–1 |- bgcolor="ffbbbb" | 2 || April 12 || @ Cubs || 0–2 || Douglas || Cooper (0–1) || — || — || 0–2 |- bgcolor="ffbbbb" | 3 || April 13 || @ Cubs || 1–6 || Ruether || Mamaux (0–1) || — || — || 0–3 |- bgcolor="ccffcc" | 4 || April 14 || @ Cubs || 4–2 || Miller (1–0) || Hendrix || — || — || 1–3 |- bgcolor="ffbbbb" | 5 || April 15 || @ Reds || 2–5 || Toney || Mamaux (0–2) || — || — || 1–4 |- bgcolor="ccffcc" | 6 || April 16 || @ Reds || 8–4 || Cooper (1–1) || Mitchell || — || — || 2–4 |- bgcolor="ffbbbb" | 7 || April 17 || @ Reds || 2–3 || Schneider || Miller (1–1) || — || — || 2–5 |- bgcolor="ffbbbb" | 8 || April 18 || @ Reds || 5–7 || Eller || Mamaux (0–3) || Mitchell || — || 2–6 |- bgcolor="ffbbbb" | 9 || April 19 || Cubs || 3–10 || Hendrix || Cooper (1–2) || — || — || 2–7 |- bgcolor="ccffcc" | 10 || April 20 || Cubs || 6–1 || Grimes (1–0) || Demaree || — || — || 3–7 |- bgcolor="ffbbbb" | 11 || April 21 || Cubs || 1–2 || Vaughn || Miller (1–2) || — || — || 3–8 |- bgcolor="ffbbbb" | 12 || April 22 || @ Cardinals || 1–4 || Doak || Mamaux (0–4) || — || — || 3–9 |- bgcolor="ccffcc" | 13 || April 23 || @ Cardinals || 2–0 || Cooper (2–2) || Watson || — || — || 4–9 |- bgcolor="ffbbbb" | 14 || April 24 || @ Cardinals || 1–2 (10) || Ames || Grimes (1–1) || — || — || 4–10 |- bgcolor="ccffcc" | 15 || April 25 || @ Cardinals || 10–8 (10) || Carlson (1–0) || Watson || — || — || 5–10 |- bgcolor="ffbbbb" | 16 || April 27 || Reds || 3–5 || Toney || Miller (1–3) || — || — || 5–11 |- bgcolor="ccffcc" | 17 || April 28 || Reds || 2–0 || Grimes (2–1) || Sanders || — || — || 6–11 |- bgcolor="ccffcc" | 18 || April 29 || @ Reds || 3–0 || Carlson (2–0) || Schneider || — || — || 7–11 |-
|- bgcolor="ffbbbb" | 19 || May 2 || Cardinals || 0–4 || Ames || Grimes (2–2) || — || — || 7–12 |- bgcolor="ffbbbb" | 20 || May 3 || Cardinals || 3–4 || Pierce || Mamaux (0–5) || Doak || — || 7–13 |- bgcolor="ffbbbb" | 21 || May 6 || @ Cubs || 2–3 || Vaughn || Carlson (2–1) || — || — || 7–14 |- bgcolor="ffbbbb" | 22 || May 7 || @ Cubs || 1–4 || Seaton || Grimes (2–3) || — || — || 7–15 |- bgcolor="ccffcc" | 23 || May 10 || @ Braves || 11–4 || Grimes (3–3) || Nehf || — || — || 8–15 |- bgcolor="ffbbbb" | 24 || May 11 || @ Braves || 2–3 (10) || Rudolph || Jacobs (0–1) || — || — || 8–16 |- bgcolor="ffbbbb" | 25 || May 14 || @ Phillies || 2–3 || Alexander || Jacobs (0–2) || — || — || 8–17 |- bgcolor="ffbbbb" | 26 || May 15 || @ Phillies || 2–8 || Mayer || Grimes (3–4) || — || — || 8–18 |- bgcolor="ccffcc" | 27 || May 16 || @ Phillies || 12–4 || Cooper (3–2) || Oeschger || — || — || 9–18 |- bgcolor="ffbbbb" | 28 || May 17 || @ Phillies || 6–8 || Rixey || Carlson (2–2) || Lavender || — || 9–19 |- bgcolor="ffbbbb" | 29 || May 18 || @ Giants || 1–8 || Sallee || Grimes (3–5) || — || — || 9–20 |- bgcolor="ccffcc" | 30 || May 19 || @ Giants || 5–4 || Cooper (4–2) || Benton || — || — || 10–20 |- bgcolor="ffbbbb" | 31 || May 21 || @ Giants || 3–4 || Tesreau || Jacobs (0–3) || — || — || 10–21 |- bgcolor="ccffcc" | 32 || May 22 || @ Giants || 2–0 || Miller (2–3) || Anderson || — || — || 11–21 |- bgcolor="ffbbbb" | 33 || May 24 || @ Robins || 0–6 || Pfeffer || Grimes (3–6) || — || — || 11–22 |- bgcolor="ffbbbb" | 34 || May 25 || @ Robins || 3–4 || Cadore || Cooper (4–3) || — || — || 11–23 |- bgcolor="ffbbbb" | 35 || May 26 || @ Robins || 1–4 || Marquard || Miller (2–4) || — || — || 11–24 |- bgcolor="ffbbbb" | 36 || May 30 || Cubs || 5–6 || Douglas || Jacobs (0–4) || Demaree || — || 11–25 |- bgcolor="ccffcc" | 37 || May 30 || Cubs || 2–1 || Carlson (3–2) || Demaree || — || — || 12–25 |- bgcolor="ccffcc" | 38 || May 31 || Phillies || 3–2 || Mamaux (1–5) || Rixey || Jacobs (1) || — || 13–25 |-