Frederik Muller or Frits Muller (22 July 1817 – 4 January 1881) was a Dutch bibliographer, book seller, and print collector. He married Gerarda Jacoba Yntema. Their son Samuel Muller Fz. became known as municipal and state archivist in Utrecht. Another son, Jacob Wijbrand Muller, was to become professor of Dutch language and literature at the University of Utrecht, and his son, Frederik Muller Jzn, would be professor of Latin at the University of Amsterdam and that of Leiden.