The term vaka may refer to:
- untitled #1, released as untitled #1 (a.k.a. "Vaka"), a single from the Sigur Rós album ( )
- Vaka (sailing), the main hull of a multihull vessel such as a proa or trimaran
- Váka, the Hungarian name for Crişan village, Ribiţa Commune, Hunedoara County, Romania
- Vaka, solo project for Daniel Lidén
- Joseph Wilson Vaka (born 1980), Tongan rugby union player