| Luis Duggan | |
| Birth Date: | 6 March 1906 |
| Birth Place: | Buenos Aires, Argentina[1] |
| Show-Medals: | yes |
Luis J. Duggan (born March 6, 1906 – June 12, 1987) was an Argentine polo player who competed in the 1936 Summer Olympics.
He was part of the Argentine polo team, which won the gold medal. He played both matches in the tournament, the first against Mexico and the final against Great Britain.