Kari Juhani Rajamäki (born 15 October 1948, in Anjala) is a Finnish politician from the Social Democratic Party and a former Minister of the Interior.

Before he became a minister, he was profiled in public by demanding more funds for road construction projects.

Rajamäki was the Minister of the Interior of Finland in Jäätteenmäki and Vanhanen cabinets from 2003 to 2007.

During his term in office he actively contributed to get more funding for police and handling visa grants.

This article about a Social Democratic Party of Finland politician is a stub.