Armi Maria Ratia née Airaksinen (13 July 1912 â 3 October 1979) was a Finnish businesswoman, she was the co-founder of the Finnish textile and clothing company Marimekko Ltd. She is among Finland's most famous female entrepreneurs. She was born in Pälkjärvi in Ladoga Karelia. For a detailed biographical article in the context of her Marimekko company, see The National Biography of Finland entry.
She is buried in the Hietaniemi Cemetery in Helsinki.