Jacob Duffy (born 2 August 1994 in Lumsden) is a New Zealand cricketer who made his first class debut for the Otago Volts in the HRV Cup against Northern Districts on 19 January 2011. Duffy was drafted into the squad for the Volts final match of the season by coach Vaughn Johnston. Duffy is currently educated at Southland Boy's High School in Invercargill.