Gionet is a surname. Notable people with the surname include:

Alan Gionet, American journalist Anthime Joseph Gionet, better known as Baked Alaska (born 1987 or 1988), American influencer Edmond Gionet (1931–2019), American politician Samantha Leriche-Gionet (born 1985), French Canadian animator, illustrator, and comic strip author Simon Gionet, French Canadian film director