Tierce comes from the Latin word for third and may refer to:
Tiercé, a commune in France Tierce (fencing), a fencing manoeuvre Tierce (unit), both an archaic volume unit of measure of goods and the name of the cask of that size Tierce, an organ stop, also known as a seventeenth Tierce, an archaic term for one-sixtieth of a second, equal to of an hour, 16. milliseconds Tierce, a horse racing bet type also known as a trifecta Tierced in heraldry, the dividing of the field into three sections, per pale or per fess
See also Terce, the third liturgical hour