The Grammy Award for Best Country Song (sometimes known as the Country Songwriter's Award) has been awarded since 1965.

The award is given to the songwriter(s) of the song, not to the artist, except if the artist is also the songwriter.

There have been several minor changes to the name of the award: Years reflect the year in which the Grammy Awards were presented, for music released in the previous year.

Lori McKenna, Josh Kear, Chris Stapleton, and current winner Kacey Musgraves hold the record of most wins in the category with three wins each.