Atli Pætursson Dam (September 12, 1932 – February 7, 2005) was Prime Minister of the Faroe Islands on five separate occasions, which is the longest period for any Faroese prime minister (løgmaður). He was prime minister in the periods: 1970–1981, 1985–1989 and 1991–1993. He was born in Tvøroyri in 1932 as the son of Peter Mohr Dam and Sigrid Ragnhild, née Strøm. He was educated engineer in 1964 and worked for the Danish company Haldor Topsøe until he became prime minister in 1970.