Martín Abadi (born 1963) is an Argentine computer scientist, working at Google as of 2021. He earned his Doctor of Philosophy (PhD) in computer science from Stanford University in 1987 as a student of Zohar Manna. He is well known for his work on computer security and on programming languages, including his paper (with Michael Burrows and Roger Needham) on the Burrows–Abadi–Needham logic for analyzing authentication protocols, and his book (with Luca Cardelli) A Theory of Objects, laying out formal calculi for the semantics of object-oriented programming languages.