Dedee or Dédée is a nickname which may refer to:
- Andrée de Jongh (1916–2007), member of the World War II Belgian Resistance, nicknamed "Dédée"
- DeDee Nathan (born 1968), American retired heptathlete
- Dedee Pfeiffer (born 1964), American actress
Dedee or Dédée is a nickname which may refer to: