Casanova Gastronomia Portuguesa is a Portuguese restaurant in the São Francisco neighborhood of Niterói, Brazil. Created by chef António Casanova, who was born in Póvoa de Varzim, Portugal, the restaurant opened in October 2012 and is known for attentive, discreet service and a sophisticated yet welcoming atmosphere. Its menu centers on cod, prepared with careful attention to desalting, ingredient quality, and cooking. Guests can also enjoy homemade bread made from a recipe by the chef’s mother, Dona Adelaide, as well as a menu available for delivery.

The restaurant’s wine list features labels from different regions of Portugal, including full-bodied reds and refreshing whites. Its premises include three air-conditioned dining areas and a tree-lined outdoor space, with valet service available. Casanova also offers a private room for events of up to 25 people, equipped with a screen, projector, sound system, and microphone, making it suitable for corporate gatherings. The restaurant serves lunch and dinner Tuesday through Saturday and lunch on Sundays; it is closed on Mondays.