Katri Elisabet Lassila (born 1979) is a Finnish fine art photographer and film artist, specialiced in analog black and white photography and advanced techniques of silver gelatin printing. Lassila usually photographs while travelling, recently especially in Asia. In cinema her interest is in poetic short film, with emphasis on themes of landscape, water and time.
Lassila graduated from the Department of Photography, Aalto University Helsinki in 2008 and has had over 20 solo exhibits since 1999. Presently she writes her artistic doctoral thesis for the Department of Film, TV and Scenographic Arts, Aalto University, Helsinki.