Anton Cosa (born November 23, 1961) is a Romanian cleric, bishop of the Roman Catholic Diocese of Chisinau in Moldova.
Born into a peasant family in Valea Mare village, Bacau County, he finished high school in Hemeiu? Commune.
In 1989, he graduated from the Roman Catholic Theological Institute of Ia?i, and that June was ordained a priest by Bucharest Archbishop Ioan Robu, for the Iasi Diocese.
From 1989 to 1990, he was assistant priest at Roman, and from 1990 to 1991 in Chisinau.
In 1991, he became parish priest there, remaining until he was named Apostolic Administrator for Moldova in 1993.
In October 1999, Pope John Paul II named him titular bishop of Paestum, consecrating him at St.