Stasys Šačkus (September 9, 1907 – November 9, 1985) was a Lithuanian athlete and basketball player.

During occupation of Lithuania by Nazi Germany, he was member of Lithuanian Activist Front, participated in June Uprising.

On October 18, 1945, he was exiled to Siberia by Soviet authorities and imprisoned in Vorkuta Gulag.

Before World War II, he accomplished pentathlon, pole vault and 110 meter hurdling records.

He participated in various athletics competitions in Berlin, London, New York City, Tallinn, Riga.