| Philip Johnson | |
| Image Name: | Philip Johnson congressman.jpg |
| Restingplace: | Easton Cemetery |
| State1: | Pennsylvania |
| District1: | 11th |
| Term Start1: | March 4, 1863 |
| Term End1: | January 29, 1867 |
| Preceded1: | James Hepburn Campbell |
| Succeeded1: | Daniel Myers Van Auken |
| State2: | Pennsylvania |
| District2: | 13th |
| Term Start2: | March 4, 1861 |
| Term End2: | March 3, 1863 |
| Preceded2: | William Harrison Dimmick |
| Succeeded2: | Henry Wells Tracy |
| Office3: | Member of the Pennsylvania House of Representatives |
| Term3: | 1853–1854 |
| Birthname: | Phillip Johnson |
| Birth Date: | 17 January 1818 |
| Birth Place: | Knowlton Township, New Jersey, U.S. |
| Death Place: | Washington, D.C., U.S. |
| Party: | Democratic |
Philip Johnson (January 17, 1818 - January 29, 1867) was an American lawyer and politician who served three terms as a Democratic member of the U.S. House of Representatives from Pennsylvania from 1861 to 1867.
Philip Johnson was born in Polkville in Knowlton Township, New Jersey. He moved to Upper Mount Bethel, Pennsylvania, in 1839. He attended the common schools and Lafayette College in Easton, Pennsylvania, from 1842 to 1844. He was a plantation tutor in Mississippi from 1844 to 1846. He returned to Pennsylvania, studied law, and attended Union Law School in Easton.
He was admitted to the bar in 1848 and commenced practice in Easton. He served as county court clerk from 1848 to 1853.
He was a member of the Pennsylvania House of Representatives in 1853 and 1854. He served as revenue commissioner of the third judicial district in 1859 and 1860. He was a delegate to the 1864 Democratic National Convention.
Johnson was elected as a Democrat to the Thirty-seventh, Thirty-eighth, and Thirty-ninth Congresses and until his death.
He died in Washington, D.C., on January 29, 1867, at the age of 49. His body was interred in Easton Cemetery.