Uncia

Uncia may refer to:


 * Uncia (coin), an ancient Roman bronze coin
 * Uncia (length), an ancient Roman unit of length
 * An ancient Roman unit of mass roughly equivalent to the ounce
 * Uncia (mine), a Bolivian tin mine
 * Uncia (genus), the former genus of the snow leopard, a large cat native to the mountain ranges of central Asia