Virieu-le-Petit (French pronunciation: [viʁjø lə pəti]; Arpitan: Veriô-le-Petit) is a former commune in the Ain department in eastern France.

On 1 January 2019, it was merged into the new commune Arvière-en-Valromey.

The average annual rainfall is 1,363.9 mm (53.70 in) with November as the wettest month.

The temperatures are highest on average in July, at around 20.2 °C (68.4 °F), and lowest in January, at around 1.7 °C (35.1 °F).

This Ain geographical article is a stub.