Castrén

Castrén is the surname of a Finnish family. Notable members include:


 * Aarne Castrén (1923–1997), Finnish Olympic sailor
 * Arthur Castrén (1866–1946), Finnish politician
 * Garth Castrén (born 1939), Finnish diplomat
 * Inga-Brita Castrén (1919–2003), Finnish theologian
 * Jalmar Castrén (1873–1946), Finnish politician
 * Jonas Castrén (1850–1922), Finnish lawyer and politician
 * Kaarlo Castrén (1860–1938), Finnish lawyer and politician, briefly Prime Minister of Finland
 * Klaus Castrén (1923–2011), Finnish diplomat
 * Matthias Castrén (1813–1852), Finnish ethnologist and philologist
 * Matilda Castren (born 1995), Finnish professional golfer
 * Mauno Castrén (1931–2021), Finnish diplomat
 * Natalia Castrén (1830–1881), Finnish culture personality and salon hostess
 * Urho Castrén (1886–1965), President of the Supreme Administrative Court of Finland, briefly Prime Minister of Finland