Belfast is an unincorporated community in Marshall County, Tennessee, United States.

[2] It is roughly halfway between Nashville, Tennessee, to the north and Huntsville, Alabama, to the south.

[5] On February 29, 1952, a weak but catastrophic F1 tornado hit the town, killing three and injuring 166.

As of 2022[update], this is the most injuries ever caused by an F1/EF1 tornado in the United States, although sources vary on the actual casualty toll.

This Marshall County, Tennessee geography–related article is a stub.