Ilkka is a masculine Finnish given name. Notable people with the name include:
Ilkka Alanko (born 1969), Finnish musician Ilkka Auer (1930–2013), Finnish middle-distance runner Ilkka Hakalehto (1936–2009), Finnish historian and politician Ilkka Hanski (1953–2016), scientist and ecologist at Helsinki University, Finland Ilkka Heikkilä (born 1988), retired Finnish ice hockey centre Ilkka Heikkinen (born 1984), Finnish professional ice hockey defenceman Ilkka Heilä (born 1956), Finnish cartoonist who lives in Kaarina Ilkka Herlin (born 1959), Finnish billionaire Ilkka Herola (born 1995), Finnish Nordic combined skier Ilkka Jääskeläinen (born 1979), singer who won Idols Finland 2 (Finnish Pop Idol) Ilkka Järvi-Laturi (1961–2023), Finnish-born US-based film director Ilkka Kanerva (1948–2022), member of the Finnish Parliament Ilkka Antero Kanko (born 1934), Finnish chess player Ilkka Kantola (born 1957), Finnish politician and Lutheran minister Ilkka Koivula (born 1966), Finnish actor Ilkka Koski (1928–1993), Finnish boxer Ilkka Kuusisto (1933–2025), Finnish opera composer, conductor, choirmaster and organist Ilkka-Eemeli Laari (born 1989), Finnish snowboarder Ilkka Laitinen (1962–2019), Finnish politician Ilkka Lipsanen (born 1942), also known as Danny, Finnish singer and guitarist Ilkka Mäkelä (born 1963), Finnish football manager and former player Ilkka Mesikämmen (1943–2025), Finnish ice hockey player Ilkka Mikkola (born 1979), professional ice hockey player Ilkka Niiniluoto (born 1946), Finnish philosopher, mathematician, professor of philosophy at the University of Helsinki Ilkka Nummisto (1944–2019), Finnish sprint canoeist Ilkka Pastinen (1928–2018), Finnish ambassador who also served as Deputy Secretary General of the United Nations Ilkka Pikkarainen (born 1981), Finnish ice hockey right winger Ilkka Pöyhiä or World Sauna Championships, annual endurance contest held in Heinola, Finland, from 1999 to 2010 Ilkka Pyysiäinen (born 1959), Finnish docent and doctor of theology, researching the cognitive science of religion Ilkka Remes (born 1962), Finnish author of thrillers and young adult literature Ilkka Remes (footballer) (born 1963), retired Finnish football defender Ilkka Ronkainen (born 1940), Finnish/American organizational theorist and Emeritus Professor at the Georgetown University Ilkka Ruohonen (1958–2016), Finnish cultural anthropologist and documentary film maker Ilkka Sarén (1940–2022), Finnish chess FIDE master Ilkka Sinisalo (1958–2017), former professional ice hockey player Ilkka Suominen (1939–2022), Finnish politician from the National Coalition Party Ilkka Suvanto (born 1943), Finnish former butterfly, freestyle and medley swimmer Ilkka Taipale (born 1942), Finnish politician, physician and activist Ilkka Talvi (born 1948), Finnish violinist Ilkka Tuomi (born 1958), Finnish computer scientist, noted for writings on the subject of the Internet Ilkka Tuomisto (born 1984), Finnish Paralympic cross-country skier and biathlete Ilkka Uimonen (born 1966), Finnish photographer and photojournalist Ilkka Vaarasuo (born 1983), former ice hockey defenceman Ilkka Vartiovaara (1946–2010), Finnish medical doctor, author, editor, artist and columnist Ilkka Viljanen (born 1960), Finnish politician Ilkka Villi (born 1975), Finnish actor Ilkka Juhani Virta (born 1961), Finnish rector and historian
See also Harri Ilkka (born 1970), Finnish speed skater Jaakko Ilkka (1545–1597), Finnish yeoman and trader Jaakko Ilkka (opera), opera by Finnish composer Jorma Panula Ilkka-Yhtymä Oyj, Southern Ostrobothnian publishing house in Seinäjoki and Vaasa, Finland Ilka