Eris

Eris most often refers to:
 * Eris (mythology) or Discordia, the goddess of discord in Greek mythology
 * Eris (dwarf planet), the second-largest known dwarf planet in the Solar System

Eris may also refer to:

Fictional characters

 * Eris Vanserra, the eldest son of Beron, the High Lord of the Autumn Court from the A Court of Thorns and Roses series
 * Eris Morn, a character from the Destiny video game series
 * Eris the Deceiver, a character from The Grim Adventures of Billy & Mandy
 * Eris, a character from Star Trek Deep Space Nine episode "The Jem'Hadar"
 * Eris, a character in Sinbad: Legend of the Seven Seas
 * Eris, a character from the Asobi ni Iku yo!
 * Eris, a character in Drakengard 2
 * Eris, a character from Lego's Legends of Chima theme
 * Eris, a character from KonoSuba
 * Eris Boreas Greyrat, a character in Mushoku Tensei

Other uses

 * Eris (confection), a traditional confection of Tabriz
 * Eris (fictional planet), a fictional planet in Damocles and its successor Mercenary III
 * Eris (spider), a genus of jumping spiders
 * Eris (simulation), a simulation of the Milky Way
 * Eris, Ohio, a community in the United States
 * Exoatmospheric Reentry-vehicle Interceptor Subsystem, a project of the Strategic Defense Initiative
 * Gilmour Space Technologies, three-stage small-lift launch vehicle
 * Stimulator of interferon genes, a protein that in humans is encoded by the TMEM173 gene
 * The HTC Droid Eris, a variant of the HTC Hero mobile phone
 * Regional Intervention and Security Teams, in French Équipes régionales d'intervention et de sécurité, acronym ÉRIS
 * Eris (variant), an unofficial nickname of SARS-CoV-2 Omicron variant EG.5

People with the given name

 * Eris Abedini (born 1998), Swiss professional footballer
 * Eris Baker (born 2005), American child actress
 * Eris O'Brien (1895-1974), Australian prelate of the Catholic Church and historian
 * Eris Paton (1928-2004), New Zealand cricketer
 * Eris Tafaj (born 1980), Albanian footballer and coach