Brian Patrick McGuire
- Category : 1946-births
- Type : PSP
- Profile : 3/5 - Martyr / Heretic
- Definition : Split - Small (21)
- Incarnation Cross : RAX The Four Ways 3
American Danish professor emeritus of history, lecturer and author who has published widely on the history of the Cistercian Order, focusing on the topics of friendship, storytelling and Cistercian monks in Denmark.
He is the son of sports journalist and publicity director of the San Francisco 49ers, Dan Francis McGuire (1917–1983) and high school teacher Phyllis Evelyn Goemmer (1916-2009), the fourth of nine children. He married Ann Kirstin Pedersen (b. 1947) in 1970 and adopted a son from Korea in 1980. McGuire emigrated to Denmark in 1971 and became a Danish citizen in 1976.