Ronchi is a fraction of the Italian municipality of Massa, in the province of Massa and Carrara, in Tuscany.

Seaside center located along the Apuan coast, it is one of the localities included in the seafront of Marina di Massa, bordering to the north with Marina di Massa center and to the south with the locality of Poveromo.

The locality of Ronchi hosts a WWF educational center active in the recovery of wild animals and a villa, in via dei Fichi, the first work of Aldo Rossi (1960).