EtymologyKyösti is a Finnish male given name, serving as a variant of the Finnish name Kustaa, which itself is a Finnish form of Gustav. The origin of Gustav is debated; it may derive from Old Norse elements gautr (Geat) and stafr (staff), meaning "staff of the Geats," though the no...Notable BearersSeveral notable Finns have borne the name Kyösti. The most prominent is Kyösti Kallio (1873–1940), who served as the fourth President of Finland from 1937 to 1940 during a tense period leading up to the Winter War. Other notables include Kyösti Haataja, a... more details, Kyösti Karhila (1921–2009), a Finnish World War II fighter ace, and Kyösti Luukko (1903–1970), an Olympic medalist in wrestling...Cultural SignificanceKyösti is distinctly Finnish and reflects the country's linguistic traditions and historical ties to Swedish naming conventions.Meaning: Finnish form of Gustav, "staff of the Geats"Origin: Old Norse or Old SlavicType: Given name (male)Usage Regions: Finland