Family name ลูกเพชร (ลูกเพชร 
) , around the globe, is a very rare cognomen. The family name ลูกเพชร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ลูกเพชร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ลูกเพชร | Thailand |
| ไพรวัลย์ ลูกเพชร Thai Luk thung singer (1941-2002), TH (b. 1941) |
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| ก้องไพร ลูกเพชร TH (b. 1942) |
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| กังวาลไพร ลูกเพชร TH (b. 1944) |
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| พนมไพร ลูกเพชร TH |
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