Kristin Estella Lauter (born 1969) is an American mathematician and cryptographer whose research interest is broadly in application of number theory and algebraic geometry in cryptography.
She is particularly known for her work in the area of elliptic curve cryptography.
She is currently a researcher and the head of the Cryptography Group at Microsoft Research in Redmond, Washington, which developed Microsoft SEAL.
Lauter became the President-Elect of the Association for Women in Mathematics in February 2014 and served as President February 1, 2015 - January 31, 2017.