Omicron (disambiguation)
# Omicron (disambiguation)

Omicron (Ο or ο) is a letter of the Greek alphabet.

Omicron, Omikron, Ο or ο may also refer to:

## Science

* SARS-CoV-2 Omicron variant, a variant of the virus that causes COVID-19
* Omicron (wasp), a genus of wasps
* Polynucleobacter necessarius, a bacterium originally designated as Omicron (German: Omikron)

## Other uses

* ο, ο, Οʹ, the number 70 in ancient, Byzantine and modern Greek numerals
* Omicron (film), a 1963 Italian film
* Omicron Hill, a summit in Alaska, US
* Omikron: The Nomad Soul, an adventure video game
