| Manuel Diana | |
| Fullname: | Manuel Diana Olaso |
| Birth Date: | 7 March 1996 |
| Birth Place: | Montevideo, Uruguay |
| Height: | 190cm |
| Weight: | 106kg |
| Occupation: | rugby player |
| Position: | Number 8 |
| Currentclub: | Toronto Arrows |
| Years1: | 2020−2021 |
| Clubs1: | Toronto Arrows |
| Apps1: | 18 |
| Points1: | 25 |
| Years2: | 2022− |
| Clubs2: | Peñarol Rugby |
| Repyears1: | 2015 |
| Repteam1: | Uruguay Under 20 |
| Repcaps1: | 4 |
| Reppoints1: | 20 |
| Repyears2: | 2016–present |
| Repcaps2: | 38 |
| Reppoints2: | 35 |
| Ru Clubupdate: | 3 March 2020 |
| Repupdate: | 9 September 2023 |
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]
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]