Arthur Piaget (25 November 1865, in Yverdon – 15 April 1952, in Neuchâtel) was a Swiss historian, archivist and Romance philologist.
He was the father of psychologist Jean Piaget.
In 1888 he received his PhD from the University of Geneva, and in 1890 obtained his degree for history and philology at the École pratique des hautes études in Paris.
[1] In 1898 he founded the Seminar for Reformation History at the faculty of theology at Neuchâtel.
For many years, he was editor of the journal Musée neuchâtelois (1902–49).