Last name พยอมยงค์ (พยอมยงค์ 
, Phayomyong) , around the globe, is a very rare family name. The last name พยอมยงค์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, พยอมยงค์ is the forename as well as the last name.
| มณี พยอมยงค์ Thai artist, TH (b. 1930) |
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| ประสิทธิ์ พยอมยงค์ TH (b. 1926) |
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