Moiety

Moiety may refer to:
 * Moiety (chemistry), a part or functional group of a molecule
 * Moiety (kinship), either of two groups into which a society is divided
 * An Australian Aboriginal kinship group
 * Native Hawaiian realm ruled by a Mo'i or Ali'i
 * Moiety title, one of two parts of property ownership
 * A rebel group in the computer game Riven