Romallo (Nones: Romàl) is a comune (municipality) in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about 35 kilometres (22 mi) north of Trento. As of 31 December 2004, it had a population of 576 and an area of 2.4 square kilometres (0.93 mi²).

Romallo's parish church is the Chiesa di San Vitale [it].

Romallo borders the municipalities of Revò, Cloz, Dambel and Sanzeno.