Khalil Abi-Nader (born December 6, 1921, in Mtein, Lebanon – died on June 14, 2009) was an Archeparch of the Maronite Catholic Archeparchy of Beirut.
His solemn consecration took place on 18 May 1986 by the hands of the Maronite Patriarch of Antioch Nasrallah Boutros Sfeir.
Archeparch Abi-Nader acted as co-consecrator in the episcopal ordinations of Abdallah Bared, Antoine Torbey, Paul-Emile Saadé and Béchara Raï.
Together with the Imam Musa al-Sadr, he was committed to an understanding of both religions in Lebanon.
He was also one of the principal representatives of the Lebanese Society for preservation of Francophonie in Lebanon.