Kariyawasam Pathiranage Sarath Kumarasiri is a Sri Lankan politician, former provincial minister and Member of Parliament. Kumarasiri was a member of Nochchiyagama Divisional Council and North Central Provincial Council where he held a provincial ministerial portfolio. He contested the 2020 parliamentary election as a Sri Lanka People's Freedom Alliance electoral alliance candidate in Anuradhapura District and was elected to the Parliament of Sri Lanka.