| Office: | Chairman of the House Rules Committee |
| Term Start: | March 4, 1919 |
| Term End: | March 4, 1923 |
| Successor: | Bertrand Snell |
| Party: | Republican Party |
| Birth Date: | 25 April 1862 |
| Birth Place: | Cape Breton, Nova Scotia, Canada |
| Death Place: | Washington, D.C., U.S. |
| Alma Mater: | Baker University |
| Birth Name: | Philip Pitt Campbell |
| Resting Place: | Abbey Mausoleum in Arlington County, Virginia, then reinterred in National Memorial Park in Falls Church, Virginia |
| Office1: | Member of the U.S. House of Representatives from Kansas's 3rd district |
| Successor1: | William H. Sproul |
| Term Start1: | March 4, 1903 |
| Term End1: | March 3, 1923 |
| Predecessor: | Edward W. Pou |
| Predecessor1: | Alfred Metcalf Jackson |
| 1Blankname: | Speaker |
| 1Namedata: | Frederick H. Gillett |
Philip Pitt Campbell (April 25, 1862 – May 26, 1941) was an American lawyer and politician who served ten terms as a U.S. Representative from Kansas from 1903 to 1923,
Born in Cape Breton, Nova Scotia, British North America, Campbell moved with his parents to Neosho County, Kansas, in 1867.He attended the common schools, and was graduated from Baker University, Baldwin City, Kansas, in 1888.He studied law.He was admitted to the bar in 1889 and commenced practice in Pittsburg, Kansas.
Campbell was elected as a Republican to the Fifty-eighth and to the nine succeeding Congresses (March 4, 1903 – March 3, 1923).
He served as chairman of the Committee on Levees and Improvements of the Mississippi River (Sixty-first Congress), Committee on Rules (Sixty-sixth and Sixty-seventh Congresses).
He was an unsuccessful candidate for reelection in 1922 to the Sixty-eighth Congress.
He served as Parliamentarian of the Republican National Convention in 1924.
He resumed the practice of law in Washington, D.C., with residence in Arlington, Virginia.
He died in Washington, D.C., May 26, 1941. He was interred in Abbey Mausoleum in Arlington County, Virginia, then later reinterred at National Memorial Park in Falls Church, Virginia.