Gyde may refer to:
Gyde Jørgensen, 1911 Danish chess champion Gyde Spandemager (died 1543), alleged Danish witch Gyda of Sweden (died c. 1048/1049), Swedish princess and Danish queen consort Praxille Gydé, French boxer, European Boxing Union flyweight champion, 1932–1935 Sylvia Gyde (died 2024), British public health doctor and medical researcher
See also GYD (disambiguation)