Moiety may refer to:
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Anthropology
- Moiety (kinship), either of two groups into which a society is divided
- A division of society in the Iroquois societal structure in North America
- An Australian Aboriginal kinship group
- Native Hawaiian realm ruled by a mo'i or an ali'i
Chemistry
- Moiety (chemistry), a part or functional group of a molecule
- Moiety conservation, conservation of a subgroup in a chemical species
Other uses
- Moiety, a 2012 album by Keith Kenniff (as Helios)
- Moiety, a rebel group in the computer game Riven
See also
- Moiety title, ownership of part of a property