Arthur Stephen Ripstein (born 12 June 1958) is a Canadian philosopher and Professor of Law and Philosophy and University Professor at the University of Toronto where he is Howard Beck QC Chair in law.^[1] He is known for his works on Kantian philosophy and is a winner of Izaak Walton Killam Memorial Prize.^[2]

• Private Wrongs (Harvard University Press, 2016)
• Rules for Wrongdoers (Oxford University Press, 2021)
• Kant and the Law of War (Oxford University Press, 2021)
• Force and Freedom: Kant's Legal and Political Philosophy (Harvard University Press, 2009)
• Equality, Responsibility and the Law (Cambridge University Press, 1998)