Poykayil Sreekumara Gurudevan (17 February 1879, in Eraviperoor – 1939), known as Poykayil Appachan alias Poykayil Kumara Guru Devan, was a Dalit activist, poet and the founder of the socio-religious movement Prathyaksha Raksha Daiva Sabha ("God's Church of Visible Salvation").