Quin

Quin may refer to:


 * Quin (name), including a list of people with the name
 * Quin, colloquially, one of a set of quintuplets, a multiple birth of five individuals
 * Quin (Sigilverse), a fictional planet
 * Quin, County Clare, a village in County Clare, Ireland
 * QUIN, quinolinic acid, a dicarboxylic acid with a pyridine backbone
 * Quin House, nickname for Algonquin Club, Boston, Massachusetts