Melville is an unincorporated community in northern Sweet Grass County, Montana, United States.

A post office first went into operation in Melville in 1883,[5] and the first Lutheran congregation in Montana was established there in 1885.

It became a regional meeting place for Saturday night dances, horse races, and gambling.

The railroad in Big Timber made such luxuries as dried fruits and green coffee available.

The Köppen Climate System classifies the weather as humid continental, abbreviated as Dfb.