Cognomen Ayuthya (Ayuthya 
) , worldwide, is an extremely rare last name. The last name Ayuthya is habitual in Thailand, where it is an extremely rare surname, and the United States.
| prasan suthat na ayuthya (1931-2015) (b. 1931) |
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| daranai patricia suthat na ayuthya (born 1961) (b. 1961) |
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| anjarat daniela suthat na ayuthya (born 1968) (b. 1968) |
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