Jacob Duffy (born 2 August 1994) is a New Zealand cricketer who plays for Otago. Duffy made his senior debut in an HRV Cup match against Northern Districts in January 2012. He made his international debut for the New Zealand cricket team in December 2020. Duffy was born at Lumsden in the Southland Region and was educated at Southland Boys' High School in Invercargill.