| Office: | Deputy Leader of the United National Party |
| Term Start: | 14 September 2020 |
| Predecessor: | Sajith Premadasa |
| Office2: | State Minister of Defence |
| President2: | Maithripala Sirisena |
| Primeminister2: | Ranil Wickremesinghe |
| Term Start2: | 12 January 2015 |
| Term End2: | 17 November 2019 |
| Office3: | Non-cabinet Minister of Mass Media [1] |
| President3: | Maithripala Sirisena |
| Primeminister3: | Ranil Wickremesinghe |
| Term Start3: | 22 February 2019 |
| Term End3: | 17 November 2019 |
| Constituency Mp1: | Gampaha District |
| Parliament1: | Sri Lankan |
| Term Start1: | 22 April 2010 |
| Term End1: | 3 March 2020 |
| Majority1: | 157,932 Preferential Votes |
| Birth Date: | 4 August 1975 |
| Nationality: |  Sri Lankan |
| Party: | United National Party |
| Occupation: | Politics |
| Parents: | Ranjith Wijewardene Ranjani Wijewardene (née Senanayake) |
| Residence: | 50/9, Siripa Road, Colombo 05. Sri Lanka. |
Dinendra Ruwan Wijewardene (Sinhala:දිනෙන්ද්ර රුවන් විජෙවර්ධන) (born 4 August 1975) is a Sri Lankan politician and currently the Senior advisor to president Ranil Wickremesinghe on Climate change. He was the former State Minister of Defence and former Mass Media non-cabinet Minister.[2] He was a former Member of Parliament for Gampaha District.[3] Also he is the Deputy Leader of the United National Party and chief organiser for Kelaniya Electorate.[4] [5] Prior to entering parliament in 2010, he was a member of the Western Provincial Council.[6] He was appointed as the acting minister of defence few times after 2019.[7] [8]
Born to a political dynasty, he is the youngest son of Ranjani Senanayake and Ranjith Wijewardene (Chairman of Wijeya Newspapers). His maternal great-grandfather, Rt Hon D.S Senanayake, was the first prime minister of Ceylon and his grand uncle, Dudley Senanayake, was the second prime minister of Ceylon and went on to become prime minister two more times during the 1950s and 1960s. His paternal grandfather, D. R. Wijewardena, was a press baron who was a leader in the Sri Lankan independence movement. A successful entrepreneur, he established Lake House newspapers and played a major role in the independence movement. Ruwan Wijewardene is a nephew of the first executive president J.R. Jayewardene of Sri Lanka and the cousin of Ranil Wickremesinghe, the current President of Sri Lanka.[9] [10]
Wijewardene completed his primary and secondary education at St. Thomas' Preparatory School. He then pursued further studies at the University of Sussex in the United Kingdom, where he earned a BA in Political science.
Wijewardene contested the Western Provincial elections in 2009 and was a member of the Western Provincial Council until 2010. He stood for parliamentary elections 2010 and secured the highest number of preference votes from Gampaha District. He lost his seat in parliament in 2020 general elections. He was elected as deputy leader of the UNP on 14 September 2020 and he is tipped to be the next Leader of the United National Party.[11] [12] [13] [14] [15] [16] [17] [18] [19] [20]