Haya Freedman (1923–2005) was a Polish-born Israeli mathematician known for her research on the Tamari lattice[1] and on ring theory, and as a teacher of mathematics at the London School of Economics.

[2] Haya Freedman was born in Lviv, which at that time was part of Poland, and at the age of ten moved to Mandatory Palestine.

She earned a master's degree from the Hebrew University of Jerusalem, studying abstract algebra there under the supervision of Jacob Levitzki.

[1] Instead, she completed a PhD at Queen Mary College in 1960, under the supervision of Kurt Hirsch.

[1][2] In 1965, Freedman became a faculty member in mathematics in Birkbeck College, University of London.