Schinoussa (Σχοινούσα), also Schinousa and Shinousa, is an island in the Small Cyclades islands in Greece.
- Schinoussa is located south of Naxos, between Koufonissia and Heraklia
- Area: 8,51 square kilometres
- Morphology: Schinoussa has a multifarious shape, with numerous bays and peninsulas. Its terrain is smooth. Smooth hill-sides, low hills and small valleys. The highest part of Schinoussa is that of Milos on the hill Vardies 133metres. Its soil has slates, limestones and sandstones. The land is fertile and therefore cultivated from one side to the other. Mersini, the port of Schinoussa is known to be one of the best shelters for small vessels in the Aegean
- Climate: Mild and fresh, without sudden changes, makes you feel it is summer all year round.
- Settlemets: Mersini (the port), Chora or Panagia (1200m from the port, built on a small hill at the time of the pirates’ invasions and has a great panoramic view) and Messaria.
- Population: 206 residents with density at 24 inhabitants per sq.km.
- Occupation of the locals: agriculture, farming, fishing and tourism* Schools: Primary, Secondary, High School (Lycee).
- Surrounding islands: Ofidoussa or Fidou (only a few metres from Schinoussa), Argilos on the South and Aspronisi on the southeast.