Uduwatuwage Janath Priya Thilanga Sumathipala MP (born 3 May 1964) (known as Thilanga Sumathipala) is a Sri Lankan politician who was the former deputy speaker of the Parliament of Sri Lanka since 2015 and former President of Sri Lanka Cricket (2016–2019). Previously he served as deputy minister of Skills Development and Vocational Training. He is a member of parliament representing the Colombo District. He served as a member of the Western Provincial Council and was the Sri Lanka Freedom Party chief organiser for the Borella Electorate in Colombo District.