The patron saints of Leno are Saints Vitalis and Martialis, celebrated on 10 July.
The Sagra di san Benedetto showcases tools for farm work and offers livestock trading, accompanied by the Trofeo San Benedetto, a cycling race on a town circuit. The first Sunday of Lent holds the Gran Carnevale dei Carnevali, with allegorical floats and costumed groups from the province of Brescia and beyond. The town holds the Abbey of Leno and the Church of San Martino.