Amerio or Amério is an Italian surname. Notable people with the surname include:
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Luigi Amerio (1912–2004), Italian electrical engineer and mathematician
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Romano Amerio
Romano Amerio (17 January 1905 – 16 January 1997) was a Swiss-Italian theologian and a late critic of post-Conciliar evolutions in liturgy and ecclesiology. His ''Masterpiece, magnum opus'' is ''Iota Unum''. It is a work dedicated to the study of ...
(1905–1997), Swiss Roman Catholic theologian
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Sandy Amerio (born 1973), French film director
{{Surname
Italian-language surnames