Metropolitan Thimotheos Haloftis, secular name Alkiviadis Haloftis (; September 10, 1917 - December 21, 1977) was an Orthodox bishop and a former Metropolitan of Chicago from 1967 to 1977.
Haloftis was born Alkiviadis Haloftis on September 10, 1917, in Megara, Greece. He was ordained a deacon and a priest in 1936, and graduated from the Theological School of Athens in 1939. During the World War II he served as a military priest. After the war he was a pastor in Kypseli from 1949 to 1956, while also obtaining his master's in Theology at the Catholic University of Paris in 1951. He first arrived in North America in 1956, where he served as a pastor in Winnipeg. The following year he was transferred to New York where he presided over until April 1962, when he was consecrated as the titular bishop of Rodostolou, and served as vicar and auxiliary bishop to the Archdiocese of America. From 1962 to 1963 he served in Buenos Aires, and in Canada from 1963 to 1967. He was consecrated as metropolitan of Chicago in 1967, where he served until his unexpected death in 1977.