Johann Kayser
Johann Kayser is the name of the following people:
- Johann Kayser (politician) (* 1580; † after 1654), German notary, mayor and state delegate
- Johann Kayser (poet) (1654–1721), German poet, preacher and high school teacher
- Johann Kayser (theologian) (1826–1895), German theologian, philologist and politician, MdR
- Johann Andreas Kayser von Kaysern (1716–1776), Bishop of Königgrätz
- Johann Christian Kayser (1750–1813), German organ builder