Gignac may refer to:
Places Gignac, Hérault Gignac, Lot Gignac, Vaucluse Gignac-la-Nerthe, in the Bouches-du-Rhône département
People André-Pierre Gignac (born 1985), French football striker playing for Tigres Anthony Gignac (born 1970), incarcerated Columbian-American con-artist and fraudster Brandon Gignac (born 1997), Canadian ice hockey player Clément Gignac (born 1955), Canadian politician in the province of Quebec Fernand Gignac (1934–2006), French Canadian singer and actor Gilles Gignac, Australian psychologist Justin Gignac (born 1981), American artist Marie Gignac, Canadian actress Hudson Gignac (born 2013), Canadian ice hockey player