Duke of Soma

{{short description|Dukedom of Spain}}

{{Infobox nobility title

| name = Dukedom of Soma

| image = 150px

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| creation_date = 12 December 1502

| creation =

| monarch = Ferdinand II

| peerage = Peerage of Spain

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| first_holder = Ramón Folch de Cardona y Requesens, 1st Duke of Soma

| last_holder =

| present_holder = Jaime Ruiz de Buscesta y de Mora, 18th Duke of Soma[https://www.boe.es/boe/dias/2020/03/03/pdfs/BOE-A-2020-3042.pdf Boletín Oficial del Estado (BOE) - 3 March 2020]

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}}

Duke of Soma ({{langx|es|Duque de Soma}}) is a hereditary title in the Peerage of Spain, accompanied by the dignity of Grandee and granted in 1502 by Ferdinand II to Ramón Folch de Cardona, 11th Baron of Bellpuig and 1st Count of Oliveto, for his services as viceroy of Sicily.[https://www.edicioneshidalguia.es/?product=elenco-de-grandezas-y-titulos-nobiliarios-espanoles-2018 Real Asociación de Hidalgos de España, Elenco de Grandezas y Títulos Nobiliarios Españoles, Ediciones Hidalguía, Vol. 50 (Madrid, 2018)][http://www.diputaciondelagrandeza.es/guiadetitulo/ Search of title "Soma, duque de"]

The name makes reference to the town of Somma Vesuviana, in Naples, Italy.