Nonius
# Nonius

Nonius can refer to:

## People

* Romans belonging to the Nonia gens
* Pedro Nunes (Latin: Petrus Nonius) (1502–1578), Portuguese astronomer and mathematician

## Other

* Nonius (horse), a breed of horse
* Nonius (device), a precursor to the Vernier scale
* Nonius (crater), a lunar crater
