Ouida (/ˈwiːdə/; 1 January 1839 – 25 January 1908) was the pseudonym of the English novelist Maria Louise Ramé (although she preferred to be known as Marie Louise de la Ramée).

Dodona ouida, the mixed Punch, is a small but striking butterfly found in the Indomalayan realm in West China, Himalayas (west as far as Mussoorie), Northeast India (hills) and Burma that belongs to the Punches and Judies, that is, the family Riodinidae .

Ouida Bergère (born Eunie Branch; December 14, 1886 – November 29, 1974) was an American screenwriter and actress.

The Ouidah Museum of History is an historical museum in Ouidah, Benin.

Bin El Ouidane is a small town and rural commune in Azilal Province, Béni Mellal-Khénifra, Morocco. At the time of the 2004 census, the commune had a total population of 5721 people living in 958 households.

Ouidah IV is an arrondissement in the Atlantique Department of southern Benin. It is an administrative division under the jurisdiction of the commune of Ouidah. According to the population census conducted by the Institut National de la Statistique Benin on February 15, 2002, the arrondissement had a total population of 6723.