Gangodawila Soma Thero (24 April 1948 – 12 December 2003) was a bhikkhu (Buddhist monk) from Sri Lanka. Following tradition, he used the name of his birthplace, Gangodawila, in front of his name; thero is a term for an elder monk. Soma thero followed the example set by his teachers, Madihe Pannaseeha Thero and Ampitiye Rahula Maha Thero and was both a learned monk and a social reformer. The cause of his death remains in dispute.