Dinendra Ruwan Wijewardene (Sinhala: දිනේන්ද්‍ර රුවන් විජෙවර්ධන) (born 4 August 1975) is a Sri Lankan politician and currently the Senior advisor to president Ranil Wickremesinghe on Climate change.

[7][8] Born to a political dynasty, he is the youngest son of Ranjani Senanayake and Ranjith Wijewardene (Chairman of Wijeya Newspapers).

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.

He then pursued further studies at the University of Sussex in the United Kingdom, where he earned a BA in Political science.