Liisa Kaarina Liljeström ( Liukkonen, formerly Veijalainen, formerly Peltola, born 4 April 1951) is a Finnish orienteering competitor. She won the 1976 Individual World Orienteering Championships, and took silver medal 1978 and 1979. She is also three times Relay World Champion, as a member of the Finnish winning team 1972, 1978 and 1979 (silver 1976 and 1981).