Antonius Stanislaus Nicolaas Ludovicus Dupuis was a Dutch sculptor and medallist of Belgian origin.
Dupuis was a lecturer at the Koninklijke Academie van Beeldende Kunsten in The Hague. Among his works are a picture of Johannes Zwijsen in the St. Dionysius Church in Tilburg, a statue of Petrus Canisius in the Hunnerpark te Nijmegen, a bust of mgr. Nolens in the Katholiek Documentatie Centrum in Nijmegen and a bust of Jozef Israëls that is in the collection of the Rijksmuseum in Amsterdam. His work was part of the art competitions at the 1928 Summer Olympics and the 1932 Summer Olympics.