William Irwin Schaffer | |
|---|---|
 c. 1919 photograph | |
| Chief Justice of the Supreme Court of Pennsylvania | |
| In office January 2, 1940 – January 4, 1943 | |
| Preceded by | John W. Kephart |
| Succeeded by | George W. Maxey |
| Associate Justice of the Supreme Court of Pennsylvania | |
| In office December 14, 1920 – January 2, 1940 | |
| Attorney General of Pennsylvania | |
| In office January 21, 1919 – December 14, 1920 | |
| Governor | William Cameron Sproul |
| Preceded by | Francis Shunk Brown |
| Succeeded by | George E. Alter |
| Personal details | |
| Born | February 11, 1867 Germantown, Philadelphia |
| Died | January 15, 1953 (aged 85) Belleair, Florida |
| Political party | Republican |
| Spouse | Susan Ashley Cross |
| Occupation | Judge, lawyer |
| Signature | .png){kind=small} |
William Irwin Schaffer (February 11, 1867 – January 15, 1953) was an American lawyer and judge from Pennsylvania. He served briefly as the state's Attorney General, resigning to serve on the state's Supreme Court for over twenty years, including three years as chief justice.