Johannes Oppelt (fl. c. 1730 - 1750) was 'a poet of the Society of Jesus' who was associated with the Charles-Ferdinand University in Prague. He is best known for his 1749 work Sammlung Geist- und Sinnreicher Gedancken…, which was based on a 1731 work Pacis Monarchicae…, alternatively titled Pax Monarchiae Internæ, which he also likely authored.