Jason DeFord (born December 4, 1984), known professionally as Jelly Roll (sometimes stylized as JellyRoll), is an American singer, rapper, and songwriter known for his collaborations with Lil Wyte, Struggle Jennings, and Tech N9ne. In 2023, he won three CMT Music Awards for the song "Son of a Sinner".

Jason DeFord was raised in the Antioch neighborhood of Nashville, Tennessee.