Ilmari is a Finnish male given name. It is a short form of Ilmarinen, a mythological smith in the Kalevala. Notable people with the name include:
Ilmari Aalto (1891–1934), Finnish painterIlmari Auer (1879–1965), Finnish politicianIlmari Juutilainen (1914–1999), Finnish fighter pilotIlmari Hannikainen (1892–1955), Finnish composerIlmari Kianto (1874–1970), Finnish poetIlmari Keinänen (1887–1934), Finnish gymnast and Olympic medalistIlmari Niemeläinen (1910–1951), Finnish diver, architect and Olympic competitorIlmari (Keisuke Ogihara, born 1976), member of the Japanese hip hop group Rip SlymeIlmari Oksanen (1906–1977), Finnish footballerIlmari Pakarinen (1910–1987), Finnish gymnast and Olympic medalistIlmari Pernaja (1892–1963), Finnish gymnast and Olympic medalistIlmari Pitkänen (born 1990), Finnish ice hockey playerIlmari Saarelainen (born 1944) Finnish actorIlmari Salminen (1902–1986), Finnish track and field athlete and Olympic medalistIlmari Salomies (1893–1973), Finnish former Archbishop of Turku, and the spiritual head of the Evangelical Lutheran Church of FinlandIlmari Susiluoto (born 1947), Finnish political scientist, professor and political advisorIlmari Taipale (1928–2008), Finnish long-distance runner and Olympic competitorIlmari Tapiovaara (1914–1999), Finnish designerIlmari Unho (1906−1961), Finnish actor, film director and screenwriterIlmari Vartia (1914–1951), Finnish fencer and Olympic competitorIlmari Vesamaa (1893–1973), track and field athlete and Olympic competitorArtturi Ilmari Virtanen (1895–1973), Finnish chemist, Nobel Prize recipient