Ympyrätalo (Swedish: Cirkelhuset; lit. "Circle House") is a circle-shaped office building located in the Hakaniemi district of Helsinki, Finland. The building is a local landmark. It was designed by architects Heikki and Kaija Siren and work lasted eight years. It opened in 1968. The building is currently owned by the insurance company Ilmarinen and various tenants including an S-Market grocery store, an Alko liquor store, a Mehiläinen private clinic and a pharmacy.