| Philip Knopf | |
| State: | Illinois |
| Term Start: | March 4, 1903 |
| Term End: | March 3, 1909 |
| Predecessor: | George Edmund Foss |
| Successor: | Frederick Lundin |
| Office2: | Cook County Clerk |
| Term2: | 1894 - 1902 |
| Predecessor2: | Henry Wulff |
| Successor2: | Peter B. Olsen |
| Office3: | Member of the Illinois Senate |
| Term3: | 1886-1894 |
| Birth Date: | 18 November 1847 |
| Birth Place: | Long Grove, Illinois, US |
| Death Place: | Chicago, Illinois, US |
| Party: | Republican |
Philip Knopf (November 18, 1847 - August 14, 1920) was a U.S. Representative from Illinois.
Born near Long Grove, Illinois, Knopf attended public schools. During the Civil War, he enlisted in Company I, 147th Illinois Volunteer Infantry Regiment, and served until the regiment was mustered out in Savannah, Georgia.He moved to Chicago in 1866 and attended Bryant & Stratton College for one year.He engaged in the teaming business until 1884, when he was appointed chief deputy coroner and served eight years. He served as a member of the Illinois State senate from 1886 to 1894. He served as clerk of Cook County from 1894 to 1902. He served as a delegate to the Republican National Convention in 1896 and as a member of the State Republican central committee.
Knopf was elected as a Republican to the Fifty-eighth, Fifty-ninth, and Sixtieth Congresses (March 4, 1903 - March 3, 1909).[1] He served as chairman of the Committee on Expenditures in the Department of the Treasury (Fifty-ninth and Sixtieth Congresses).
Knopf died in Chicago, Illinois on August 14, 1920.[2] He was interred in Rosehill Cemetery.