Casaubon
Casaubon is a surname. Notable people with the surname include:
Fictional characters:
- Edward Casaubon, character in Middlemarch, 1871–72 novel by George Eliot
- Casaubon, character in Foucault's Pendulum, 1988 novel by Umberto Eco
- Casaubon, the name of a character in several of Mary Gentle's works