Joseph VI Estephan (born in 1729, Ghosta, Lebanon – died on 22 April 1793, Ghosta, Lebanon) (or Yusuf Istifan, Stephan, Arabic: يوسف السادس اسطفان) was the 63rd Maronite Patriarch of Antioch from 1766 until his death in 1793 with the name of Joseph VI Estephan.