Last name קו (Ko 
, Ku 
, Koo , along with others...) , worldwide, is a prevalent family name. The family name קו is characteristic of Myanmar, where it is a prevalent surname, Hong Kong, where it is a common surname, and Bermuda (explore the name in all countries). Not in comparison with a country's population, the name is most common in Myanmar, India, and the United States. Likewise, קו is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koo, Ko | Japan, Malaysia, United States, Myanmar, India |
| Ku | Malaysia, United States, Myanmar, Hong Kong, India |
| Coe | Indonesia, United States, Myanmar, India, Mexico |
| Klu | Malaysia, Indonesia, United States, Myanmar, India |
| קו | Israel |