Elo-Katre Liiv (born 26 December 1971 in Tallinn) is an Estonian sculptor, installation artist and educator.

She has created the Jaan Poska Memorial in Kadriorg, the Memorial to the German Jews who died in World War II in Kärdla, the Ülo Pärnitsa Memorial in Ülemiste City, the Kalju Lepik Memorial in Koeru and the Heino Kurvet Memorial in Pärnu.

Liiv has written research articles and opinion pieces, and has fought for religious freedom, equal opportunities, a life free from violence and environmental protection in Estonia.