Jonathan Barnett

Jonathan Barnett may refer to:


 * Jonathan Barnet (fl. 1715–1720), privateer active near Jamaica, known for capturing pirate Calico Jack
 * Jonathan Barnett (sports agent) (born 1950), British football agent
 * Jonathan Barnett (politician) (born 1955), member of the Arkansas House of Representatives
 * Jonathan Quinn Barnett (born 1964), American super yacht designer