John Lanneau McMillan | |
|---|---|
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| Member of the U.S. House of Representatives from South Carolina's 6th district | |
| In office January 3, 1939 – January 3, 1973 | |
| Preceded by | Elizabeth H. Gasque |
| Succeeded by | Edward Lunn Young |
| Personal details | |
| Born | April 12, 1898 Mullins, South Carolina |
| Died | September 3, 1979 (aged 81) Florence, South Carolina |
| Political party | Democratic |
| Alma mater | University of North Carolina University of South Carolina National University School of Law |
| Profession | Lawyer |
John Lanneau "Johnny Mac" McMillan (April 12, 1898 – September 3, 1979) was a United States representative from South Carolina.