Ilkka is a masculine Finnish given name. Notable people with the name include:
Ilkka Alanko (born 1969), Finnish musicianIlkka Hakalehto (1936–2009), Finnish historian and politicianIlkka Hanski (born 1953), scientist and ecologist at Helsinki University, FinlandIlkka Heikkinen (born 1984), Finnish professional ice hockey defencemanIlkka Heilä (born 1956), Finnish cartoonist who lives in KaarinaIlkka Jääskeläinen (born 1979), singer who won Idols Finland 2 (Finnish Pop Idol)Ilkka Kanerva (born 1948), member of the Finnish ParliamentIlkka Koski (born 1928), former Finnish boxerIlkka Kuusisto (born 1933), Finnish composer of popular opera; father of Jaakko KuusistoIlkka Laitinen (born 1962), Finnish politicianIlkka Lipsanen (born 1942), also known as Danny, Finnish singer and guitaristIlkka Mäkelä (born 1963), Finnish football manager and former playerIlkka Mesikämmen (born 1943), retired professional ice hockey playerIlkka Mikkola (born 1979), professional ice hockey playerIlkka Niiniluoto (born 1946), Finnish philosopher, mathematician, professor of philosophy at the University of HelsinkiIlkka Nummisto (born 1944), Finnish sprint canoeistIlkka Pikkarainen (born 1981), Finnish ice hockey right wingerIlkka Remes (born 1962), Finnish author of thrillers and young adult literatureIlkka Sinisalo (born 1958), former professional ice hockey playerIlkka Suominen (born 1939), Finnish politician from the National Coalition PartyIlkka Talvi (born 1948), Finnish violinistIlkka Tuomi (born 1958), native of Finland, is noted for writings on the subject of the InternetIlkka Vartiovaara (1946–2010), Finnish medical doctor, author, editor, artist and columnistIlkka Villi (born 1975), Finnish actor