Siritunga Jayasuriya was a contestant in the Sri Lanka presidential election in 2005. He received 35,405 votes, 0.36% of the votes cast and came third.^[1] He is a trade unionist and leader of the United Socialist Party. He was formerly a member of the Lanka Sama Samaja Party and later the Nava Sama Samaja Party.

In early 2007, Siritunga narrowly escaped a raid by 300 armed thugs at a place where a rally against Sri Lankan Civil War was due to take place.^[2][3]