Ehrnrooth is a Finnish noble family.
Göran Ehrnrooth was a bank manager in Union Bank Finland. Göran Ehrnrooth was married to Louise von Julin, daughter of Jacob von Julin, the CEO of Kaukas paper factory. Their children are Casimir Ehrnrooth (b. 1931) UPM-Kymmene CEO, Göran J. Ehrnrooth (b. 1934), Robert Ehrnrooth (b. 1939) EFFOA-Suomen Höyrylaiva CEO and Elsa Margaretha Louise Fromond (b. 1942).
Casimir Ehrnrooth's children are Henrik Ehrnrooth (b. 1954) CEO of Pöyry, Johanna Ehrnrooth (b. 1958) graphic artist, Georg J. C. Ehrnrooth (b. 1966), and Carl Gustaf Ehrnrooth (b. 1969)—a member of Guggenheim Foundation Board of Directors since September 2008.