Around the world, Khoo (Khoo 
, خو 
, クー 
) is quite a common unisex first name. The forename Khoo is habitual in Singapore, where it is quite a rare unisex name, Malaysia, and Tunisia, where it is a rare girly name. Not in comparison with a country's population, it most frequently occurs in Malaysia, China, and Singapore. Likewise, Khoo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Khoo | Indonesia, Malaysia, Australia, Singapore, Taiwan |
| خو | Iran, Tunisia, Morocco, Algeria, Egypt |
| クー | Japan |
| Ку | Kazakhstan, China, Russia, Kyrgyzstan, Ukraine |
Khoo is also a name for the fictitious and mythical characters: .
| ulian khoo badminton player, CN (b. 1912) |
|
|
| kah lin khoo b.18 December 1938 d.7 November 2014 (b. 1938) |
|
|
| seow hwa khoo master calligrapher, scholar and teacher, SG (b. 1946) |
|
|
| mavin khoo dancer, MY (b. 1976) |
|
|
| teng lek khoo nuclear physicist at Argonne National Lab |
|
|
| lee seng khoo researcher |
|
|
| teng cheng khoo researcher (ORCID 0000-0001-8530-5644) |
|
|
| sok kean khoo researcher |
|
|
| siek toon khoo quantitative methodologist |
|
|
| lay see khoo researcher ORCID ID = 0000-0003-4645-5185 |
|
|
| hau wei khoo researcher |
|
|
| chun yuan khoo researcher (ORCID 0000-0001-6558-1182) |
|
|
| chin meng khoo researcher ORCID 0000-0003-1601-2391 |
|
|
| keng sang khoo Ph.D. University of Kent, Canterbury 1995 |
|
|
| kuan shiong khoo researcher |
|