Jonathan Drew Groff (born March 26, 1985) is an American actor and singer. At the age of 22, Groff received a Tony Award nomination for his performance as Melchior Gabor in the Broadway rock musical Spring Awakening. He also portrayed the role of Claude in the critically acclaimed revival of Hair. Regularly seen on the off-Broadway stage, Groff has won an Obie Award for starring in two of Craig Lucas's plays, Prayer for My Enemy and The Singing Forrest. He made his West End debut in the revival of the play Deathtrap opposite Simon Russell Beale. He also starred in the two-man play Red alongside Alfred Molina.

In 2013, Groff starred in the first-ever screen adaptation of author David Sedaris's work, C.O.G., in which he portrayed a character based on Sedaris himself. In the same year, he voiced mountain man Kristoff in Disney's Academy Award-winning feature film Frozen, the highest-grossing animated film of all time and fifth highest-grossing film of all time. On television, Groff portrayed the recurring role of Jesse St. James in the Fox series Glee, and as of 2014, he stars as Patrick Murray in the HBO series Looking.