Buyck is an unincorporated community in Portage Township, Saint Louis County, Minnesota, United States.
The community is located 16 miles east of Orr at the junction of Saint Louis County Road 23 (Orr–Buyck Road) and County Road 24 (Crane Lake Road). Buyck is also located 34 miles northeast of Cook.
Buyck is located on the edge of the Kabetogama State Forest. The Vermilion River flows through the community.
A post office called Buyck was established in 1913, and remained in operation until 1963. The community was named for Charles Buyck, an early settler and afterward county official.