Family name Tió (Tio 
, تيو 
, Тио 
) , throughout the world, is a common cognomen. The cognomen Tió is habitual in South-eastern Asia, particularly Indonesia, where it is quite a rare surname, Malaysia, and Singapore. In absolute terms, it is commonest in South-eastern Asia, particularly Indonesia, Philippines, and Malaysia. Likewise, Tió is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Tio | Nigeria, Angola, Indonesia, Malaysia, Philippines |
| تيو | Iran, Algeria, Iraq, Egypt, Sudan |
| Тио | Russia, Kyrgyzstan |
| Tió | Peru, United States, Dominican Republic, Spain, Uruguay |
| jaime porcar y tió Spanish writer (1834-1888), ES (b. 1835) |
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| juan cardona y tió Spanish painter, ES (b. 1873) |
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| luis amiama tió (b. 1915) |
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| rosa m. mestres i tió (b. 1940) |
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| núria tió Spanish writer and physician, ES (b. 1956) |
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| joan roca tió Spanish politician, ES |
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| fernando amiama tió Minister of foreign affairs for the Dominican Republic |
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| maurice far eckhard tió Spanish cyclist, ES (b. 1983) |
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| elsa tió |
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| aurelio tió |
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| montse tió cirera |
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| iris tió Spanish synchronised swimmer, ES |
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Tia, Roman, David, Gemma, Laura, Jaime, Josep, José, Jordi, Judit, Ester, Enric, Manuel, Mireia, Albert, Antoni, Carles, Blanca, Raimon, Román, Gerard, Lluís, Roser, Pedro, Bryan, Bruno, Nil, Uri, Marc, Mina, Anna, Biel, Rosa, Lali, Jose, Joan, Javier, Juan, Xavi, Maria, Mario, Marta, Manel, Sarah, Sofia, Ariel, Carme, Clara, Toni, and Teresa