John Dickey (June 23, 1794 – March 14, 1853) was a Whig member of the U.S. House of Representatives from Pennsylvania.

He was appointed postmaster of Old Brighton, Pennsylvania, on April 11, 1818, and served until May 17, 1821.

Dickey was elected as a Whig to the Twenty-eighth Congress.

He was appointed United States Marshal for the western district of Pennsylvania on January 22, 1852.

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