Cátia Isabel da Silva Azevedo (born 9 March 1994) is a Portuguese sprinter specialising in the 400 metres. She won two gold medals at the 2018 Ibero-American Championships.
Her personal bests in the event are 50.59 seconds outdoors (Huelva 2021) and 53.10 seconds indoors (Madrid 2020). The first is the current national record.