Joseph Adam "Joe" Jonas (born August 15, 1989) is an American singer, musician, and actor. He shares the lead singer role with his younger brother Nick of the Jonas Brothers, a pop-rock band made up of him and his two brothers, Nick and Kevin. He currently stars as Joseph Lucas in the Disney Channel original series JONAS.

Joseph Adam Jonas was born in Casa Grande, Arizona, the son of Denise, a former sign language teacher and singer, and Paul Kevin Jonas, Sr., a songwriter, musician and former ordained minister at a Pentecostal Assemblies of God church.

On August 17, 2007, Joe, along with his brothers, guest starred in an episode of Hannah Montana. The episode debuted alongside High School Musical 2 and a sneak peek of the new Disney Channel show Phineas and Ferb. The episode broke basic cable records with a record 10.7 million viewers and became basic cable's most watched series telecast ever.