Ilmi Lovisa Hallsten (née Bergroth; 25 December 1862, in Föglö – 4 January 1936) was a Finnish secondary school teacher and politician. She was a member of the Parliament of Finland from 1919 to 1922, representing the National Coalition Party. She was the head of the Finnish Women's Association in 1913–1936.[1]
She was married to Onni Hallsten.[2]
She went to the Swedish co-educational school Nya svenska samskolan.