Dueñas or Duenas may refer to:
People
- Christopher Duenas, Guamanian Olympic swimmer
- Crispin Duenas (born 1986), Canadian Olympic archer
- Henry Duenas, Jr. (born 1965), Filipino politician
- Jani Dueñas (born 1975), Chilean actress and comedian
- Jesus Baza Duenas (1911–1944), Guamanian Catholic priest and leader
- María Dueñas (writer) (born 1964), Spanish writer
- María Dueñas (violinist) (born 2002), Spanish Violinist
- Marcos Francisco Duenas, Spanish Paralympic athlete
- Ping Duenas (1930–2009), Guamanian politician
Places
- Dueñas, Iloilo, Philippines
- Dueñas, Palencia, Spain