| J. Ross Mickey | |
| State: | Illinois |
| Term Start: | March 4, 1901 |
| Term End: | March 3, 1903 |
| Predecessor: | Benjamin F. Marsh |
| Successor: | George W. Prince |
| Birth Date: | 5 January 1856 |
| Birth Place: | Eldorado Township, Illinois |
| Death Place: | Excelsior Springs, Missouri |
| Party: | Democratic |
J. Ross Mickey (January 5, 1856 – March 20, 1928) was a U.S. Representative from Illinois.
Born on a farm in Eldorado Township, McDonough County, Illinois, Mickey attended the public schools and Lincoln (Illinois) College.He taught in the public schools of Macomb, McDonough County, Illinois, for a number of years.He studied law.He was admitted to the bar in 1889 and practiced in Macomb, Illinois, until 1898.
Mickey was elected judge of McDonough County in 1898 for a term of four years, but resigned February 22, 1901, having been elected to Congress.
Mickey was elected as a Democrat to the Fifty-seventh Congress (March 4, 1901 – March 3, 1903).He declined to be a candidate for renomination in 1902.He resumed the practice of law in Macomb, Illinois.He served as president of the Mystic Workers of the World 1908-1918 and as a director from 1918 until his death.He died in Excelsior Springs, Missouri, on March 20, 1928.He was interred in Oakwood Cemetery, Macomb, Illinois.