Freij is a surname. Notable people with the surname include:

Alfons Freij (born 2006), Swedish ice hockey player Elias Freij (1918–1998), Palestinian Christian politician, longtime mayor of Bethlehem Gustav Freij (1922–1973), Swedish Greco-Roman wrestler Leif Freij (1943–1998), Swedish Greco-Roman wrestler, nephew of Gustav

See also Fahd Jassem al-Freij (born 1950), Syrian Minister of Defense Manar Fraij (born 1988), Jordanian football coach and former player Rouzbahan Fraij (born 2000), Jordanian footballer Frej (disambiguation)