Last name Bayà (Bayà 
) , around the globe, is an extremely rare family name. The cognomen Bayà is characteristic of Southern Europe, particularly Spain, where it is a very rare surname.
| jaume gularons i bayà Spanish association football player (1899-1951), ES (b. 1899) |
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| josep calatayud bayà Spanish poet (1903-1978), ES (b. 1903) |
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