| Omega II | |
| Subdivision Name3: | Greater Noida |
| Native Name Lang: | hi |
| Settlement Type: | Neighborhood |
| Pushpin Map: | India Uttar Pradesh |
| Subdivision Type: | Country |
| Subdivision Name: | India |
| Subdivision Type1: | Region |
| Subdivision Name1: | North India |
| Subdivision Type2: | State |
| Subdivision Name2: | Uttar Pradesh |
| Subdivision Type3: | City |
| Governing Body: | Greater Noida Industrial Development Authority |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi, English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 201310 |
| Native Name: | ओमेगा 2 |
| Other Name: | NRI City |
Omega II or Omega 2, is a sector in south-western Greater Noida, Uttar Pradesh, India,[1] primarily known for serving the NRI City. Bordered by Omega I to the south, PSI-I to the west and Knowledge Park I to the north, it shares close proximity with the Yamuna Expressway.[2] It is named after the Greek letter Omega.