Oberdan is both a masculine given name and a surname. Notable people with the name include:
Given name Oberdan Cattani (1919–2014), Brazilian football player Oberdan Sallustro (1915–1972), Italian-Paraguayan businessman
Surname Guglielmo Oberdan, (1858–1882), Italian irredentist
Pen name Oberdán Rocamora, pen name of Jorge Asís (born 1946), Argentine journalist and politician