Saint Roch or Rocco lived c. 1348 – 15/16 August 1376/79 (traditionally c. 1295 – 16 August 1327) was a Catholic saint, a confessor whose death is commemorated on 16 August; he is specially invoked against the plague. He may also be called Rock in English, and has the designation of St Rollox in Glasgow, Scotland, said to be a corruption of St Roch's Loch. He is a patron saint of dogs and falsely accused people, among other things.

Saint-Roch may refer to:
In Canada:

• Saint-Roch, Quebec City, a neighbourhood of Quebec City
• Saint-Roch-de-l'Achigan, Quebec, a municipality
• Saint-Roch-de-Mékinac, Quebec, a municipality
• Saint-Roch-de-Richelieu, Quebec, a municipality
• Saint-Roch-des-Aulnaies, Quebec, a municipality
• Saint-Roch-Ouest, Quebec, a municipality