Stasys is a popular Lithuanian given name, derived from Slavic name Stanislav. Feminine variation is Stasė.
Stasys Eidrigevičius (born 1949), graphic artist
Stasys Girėnas (1893–1933), Lithuanian-American pilot
Stasys Lozoraitis (1898–1983), Lithuanian diplomat
Stasys Lozoraitis (junior) (1924–1994), Lithuanian diplomat
Stasys Raštikis (1896–1985), Lithuanian general
Stasys Šilingas (1885–1962), Lithuanian lawyer and statesman
Stasys Šimkus (1887–1943), Lithuanian composer
Stasys Stonkus (born 1931), Lithuanian basketball player
STASYS was a UK systems design and consultancy company founded by Julian Ranger and John Curtis in 1986 and sold to Lockheed Martin in 2005
