Around the globe, Kalo (Kalo 
, Calo 
, كالو 
) is a common gender-neutral forename. The forename Kalo is characteristic of India, where it is quite a rare unisex name, Gambia, where it is quite a rare male name, and Oman, where it is quite a rare mostly male, but seldom feminine name. In absolute terms, it is commonest in Southern Asia, particularly India, Pakistan, and Bangladesh. Likewise, Kalo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kalo | Argentina, Pakistan, Italy, Philippines, India |
| Calo | Argentina, United States, Italy, Philippines, India |
| كالو | Iraq, Egypt, Saudi Arabia, Syria, Sudan |
| קאלו | Israel |
| kalo brahim xhaferaj (b. 1888) |
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| kalo chandramani Indian politician, IN (b. 1916) |
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| kalo uhrík Slovak writer (1932-2015), SK (b. 1932) |
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| kalo musukuma researcher (ORCID 0000-0002-3620-6065) |
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| kalo palacios |
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| bong kalo association football player, VU (b. 1997) |
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