Garneill is an unincorporated community in Fergus County, Montana, United States.

It is located on U.S. Route 191, 5 miles (8.0 km) north of Judith Gap.

A post office was established at Garneill in 1899, and remained in operation until it was discontinued in 1975.

[2] Garneill is a conjoin of the names of two early settlers: Garnet and Neill.

This Fergus County, Montana state location article is a stub.