Ruston Samuel Kelly (born July 31, 1988) is an American singer-songwriter. His song "Nashville Without You" appeared on Tim McGraw's album Two Lanes of Freedom. Following a record deal with Razor & Tie's Washington Square, he released his debut EP, Halloween.
In 2018, Kelly signed with Rounder Records and released his debut studio album, Dying Star, to generally favorable critical reviews.
Kelly met singer Kacey Musgraves after performing at the Bluebird Café in Nashville in March 2016. They married in October 2017 and filed for divorce in July 2020.