This biography of a living person needs additional citations for verification. Please help by adding reliable sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately from the article and its talk page, especially if potentially libelous.Find sources: "Oscar Rivadeneira" – news · newspapers · books · scholar · JSTOR (April 2016) (Learn how and when to remove this template message)
.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}You can help expand this article with text translated from the corresponding article in Spanish. (May 2021) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Spanish Wikipedia article at [[:es:Óscar Rivadeneyra]]; see its history for attribution. You should also add the template ((Translated|es|Óscar Rivadeneyra)) to the talk page. For more guidance, see Wikipedia:Translation.

Oscar Rivadeneira (born in 1960 in Lima, Peru) is a retired Peruvian boxer.

Rivadeneira fought with Michael Spinks in 1983 for the Undisputed Light Heavyweight championship. He was beaten in a tenth round knockout.