Jonathan David Bellion (born December 26, 1990) is an American singer, songwriter, rapper, and record producer. He was born and raised in Lake Grove, New York on Long Island. He is best known for his 2016 single "All Time Low," which peaked at number 16 on the Billboard Hot 100.

Bellion has released four mixtapes and two studio albums. Released by Visionary Music Group and Capitol Records, his debut studio album, The Human Condition (2016), peaked at number five on the US Billboard 200. His second, Glory Sound Prep (2018), peaked at number 15. Alongside his recording career, he has produced and written material for various artists. His credits include Maroon 5, Justin Bieber, the Jonas Brothers, Halsey, Camila Cabello, Selena Gomez, Tori Kelly, Rosé and Max.

Bellion also opened for Twenty One Pilots' Emotional Roadshow World Tour, which also featured guest artists Judah and the Lion.