Aquin is commune in the Aquin Arrondissement, in the Sud department of Haiti.
Aquin may also refer to:
People Emmanuel Aquin (born 1968), Canadian novelist, screenwriter, editor, graphic artist and illustrator François Aquin (1929–2017), Canadian politician Hubert Aquin (1929–1977), Canadian novelist, political activist, essayist, filmmaker and editor
Places Aquin City, principal town of the Aquin commune Aquin Arrondissement, an administrative sub-division of the Sud department in southwestern Haiti
Other uses Aquin Catholic Schools, a private Catholic school system in Freeport, Illinois, USA Aquin Components, software company, based in Frankfurt, Germany The Quest for Saint Aquin, science fiction short story by Anthony Boucher originally published in 1951