Judith Cathy Arnold Cowin (born April 29, 1942) is a retired justice of the Massachusetts Supreme Judicial Court.
[2] Cowin received her undergraduate degree from Wellesley College and her J.D.
The following year, she became legal counsel for the Office of the Chief Justice of the District Court Department.
From 1979 to 1991, she worked as an Assistant District Attorney in Norfolk County, and in 1980 she was a clinical field supervisor at Harvard Law School.
Governor Paul Cellucci appointed her to the Supreme Judicial Court in 1999.