Manuel Diana Olaso (born 7 March 1996) is a Uruguayan rugby union player who generally plays as a number eight for the Toronto Arrows in Major League Rugby (MLR). He also represents Uruguay internationally.^[1]

You can help expand this article with text translated from the corresponding article in French. (May 2023) 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. Consider adding a topic to this template: there are already 6,169 articles in the main category, and specifying|topic= will aid in categorization. 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 French Wikipedia article at [[:fr:Manuel Diana]]; see its history for attribution. You may also add the template {{Translated|fr|Manuel Diana}} to the talk page. For more guidance, see Wikipedia:Translation.

Diana attended Stella Maris College and the University of Montevideo.^[2] He was included in the Uruguayan squad for the 2019 Rugby World Cup which was held in Japan for the first time and also marked his first World Cup appearance.^[3]

He made his international debut for Uruguay against Argentina XV on 11 February 2017.^[4]