Petrel is an unincorporated community in Fairbanks Township, Saint Louis County, Minnesota, United States.
The community is located east of Fairbanks at the junction of County Highway 44 and County Road 353 (Little Creek Road).
The junction of County Highway 44 and County Highway 16 is nearby.
Petrel is located near the boundary line for Saint Louis and Lake counties.
Petrel is located within the Superior National Forest.