| John Dickey | |
| Image Name: | John Dickey (Pennsylvania Congressman).jpg |
| State1: | Pennsylvania |
| District1: | 20th |
| Term Start1: | March 4, 1847 |
| Term End1: | March 3, 1849 |
| Preceded1: | John Hoge Ewing |
| Succeeded1: | Robert R. Reed |
| Term Start2: | March 4, 1843 |
| Term End2: | March 3, 1845 |
| Preceded2: | Henry White Beeson |
| Succeeded2: | John Hoge Ewing |
| Office3: | Member of the Pennsylvania Senate |
| Term3: | 1835 1837 |
| Birth Date: | 23 June 1794 |
| Birth Place: | Greensburg, Pennsylvania |
| Death Place: | Beaver, Pennsylvania |
| Party: | Whig |
John Dickey (June 23, 1794 - March 14, 1853) was a Whig member of the U.S. House of Representatives from Pennsylvania.
John Dickey (father of Oliver James Dickey) was born in Greensburg, Pennsylvania. He was appointed postmaster of Old Brighton, Pennsylvania, on April 11, 1818, and served until May 17, 1821. He served as sheriff from 1824 to 1827. He was a member of the Pennsylvania State Senate in 1835 and 1837.
Dickey was elected as a Whig to the Twenty-eighth Congress. He was again elected to the Thirtieth Congress. He was appointed United States Marshal for the western district of Pennsylvania on January 22, 1852. He died in Beaver, Pennsylvania, in 1853. Interment in the Old Cemetery.