Somadeva Suri was a south Indian Jain monk of the 10th century CE (fl. 959–66, possibly born in Bengal region about 920), author of a work known as "Upasakadyayana" "chapter on lay followers (upasakas)", a central work of Digambara shravakacara literature, i.e. instructions and prescriptions for shravakas or Jain lay followers.