Leila Tuulikki Haaparanta (née Taiminen, born 20 October 1954) is a Finnish philosopher who works in analytic philosophy and the philosophy of logic.
She is retired from the University of Tampere as a professor emerita.
She studied philosophy at the University of Helsinki, earning a bachelor's degree in 1976, a master's degree in 1978, a licenciate in 1979, and a Ph.D. in 1985; her dissertation was Frege's Doctrine of Being.
[1] She taught at the University of Helsinki from 1977 to 1994, becoming an assistant in 1987, and held an affiliation as a researcher at the Academy of Finland from 1985 to 1997.
[1] A festschrift in her honor, Filosofisia tutkielmia: Philosophical Studies in honorem Leila Haaparanta, was edited by Luoma Kaisa, Oesch Erna, and Vilkko Risto, and published in 2004.