Omicron (disambiguation)
Omicron (Ο or ο) is the 15th 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
 
See also
- Omikronpapillomavirus, a genus of viruses
 - All pages with titles containing omicron
 - All pages with titles beginning with omicron
 - All pages with titles containing ο (omicron)
 - All pages with titles beginning with Ο (omicron)
 - O (disambiguation)
 - Omnicron (disambiguation)