John William Beschter SJ (born Johann Wilhelm Beschter; German: [ˈjoːhan ˈvɪlhɛlm ˈbɛʃtɐ]; [needs Luxembourgish IPA] May 20, 1763 – January 6, 1842) was a Catholic priest and Jesuit from the Duchy of Luxembourg in the Austrian Netherlands. He emigrated to the United States as a missionary in 1807, where he ministered in rural Pennsylvania and Maryland. Beschter was the last Jesuit pastor of St. Mary's Church in Lancaster, as well as the pastor of St. John the Evangelist Church in Baltimore, Maryland.