There have been several monarchs and noblemen called '''Alfonso III''':

*[[Alfonso III of Leon]] -- (866-914) surnamed "the Great"
*[[Afonso III of Portugal]] -- (1210-1279)
*[[Alfonso III of Aragon]] -- (1285-1291)
*[[Alfonso III d'Este]], Duke of Modena and Reggio (1628-44)
*[[Alfonso III of Kongo]] -- (1666-1667)

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[[ca:Alfons III]]
[[es:Alfonso III]]
[[fr:Alphonse III]]
[[gl:Afonso III]]
[[hu:III. Alfonz]]
[[nl:Alfons III]]
[[ja:アルフォンソ3世]]
[[pt:Afonso III]]
[[zh:阿方索三世]]