MONIAC or Moniac may refer to:

• MONIAC, a hydraulic economics computer

• Moniac, Georgia, an unincorporated community

• David Moniac (1802–1836), an American military officer

• Hildegard Moniac (1891–1967), German educator and political activist

• a fan of softball player Monica Abbott

See also

• Moniak (disambiguation)

• Moniack (disambiguation)

• Monyak Hill, Antarctica

• Monjack