Justin Roberts is a Chicago-based American singer-songwriter of children's music. He performs with the Not Ready for Naptime Players and often collaborates with producer-musician Liam Davis. His album "Jungle Gym" was nominated for "Best Musical Album for Children" in the 2010 Grammy Awards.

Roberts attended Kenyon College in Gambier, OH where he was member of the Kokosingers, the college's male acapella group, and was a founding member of Pimentos for Gus. Pimentos for Gus released 3 separate albums in the 1990s.

Roberts and the Not Ready for Naptime Players performed on Chicago's WGN Morning News on April 17, 2009. He was the subject of a video feature at time.com (Time Magazine) during his appearance at Kindie Fest 2010.