Joseph Raymond Frenette (April 16, 1935 – July 13, 2018) was a Canadian politician in New Brunswick.
He was a Liberal representative for the riding of Moncton East in the Legislative Assembly of New Brunswick from 1974 until 1998 when he retired after a short term as the 28th Premier of New Brunswick.
The son of Berthilde Pitre and Samuel Frenette, before his election to the legislature, he was a councillor for the village of Lewisville and, after Lewisville was amalgamated with the city of Moncton, he was a Moncton city councillor.
He twice ran for leader of the New Brunswick Liberals.
He lost in 1982 to Doug Young and in 1985 to Frank McKenna.
He served as interim leader of the party from 1983 to 1985 and again from October 1997 to May 1998, also serving as Premier.
Frenette was Frank McKenna's right-hand man in the legislature, serving as his House Leader throughout his tenure as leader from 1985 to 1997.