Tamminiemi is a villa and house museum located in the Meilahti district of Helsinki, Finland. It was one of the three official residences of the President of Finland, from 1940 to 1982. From 1956, until his death in 1986, it served as the residence of President Urho Kekkonen. Since 1987, it has been the Urho Kekkonen Museum. Tamminiemi is located in a park by the sea. Its floor area is about 450 square metres (4,800 sq ft); living quarters comprise the first two floors while the third floor is dedicated to office space.

Urho Kaleva Kekkonen, often referred to by his initials UKK, was a Finnish politician who served as the eighth and longest-serving president of Finland from 1956 to 1982. He also served as prime minister, and held various other cabinet positions. He was the third and most recent president from the Agrarian League/Centre Party. Head of state for nearly 26 years, he dominated Finnish politics for 31 years overall. Holding a large amount of power, he won his later elections with little opposition and has often been classified as an autocrat.