Ruaudin () is a commune in the department of Sarthe in the Pays de la Loire Region of north-western France. Ruaudin is located in the canton of ÃÂcommoy and the arrondissement of Le Mans. The INSEE code is 72260 and the postal code is 72230. The minimum elevation is 47 meters and the maximum elevation is 66 meters. The town has a total surface area of . The nearest town from Ruaudin is Mulsanne, which is just 4.8 kilometers away. The village had 144 active establishments at the end of 2018. There were 22 documented births in 2019.
Ruaudin has been twinned with the comune of Uggiate-Trevano in Italy since 2013.