Siga Arles (12 November 1950 – 5 June 2015) was an Indian missiologist and founder of the Centre for Contemporary Christianity (Bangalore, India).

In 1990, he completed a Ph.D. at the University of Aberdeen at the Centre for the Study of Christianity in the Non-Western World,[2] where he co-studied with G. D. V. Prasad, then pursuing doctoral studies in the same university in the discipline of Old Testament.

In his academic career, he served as the vice-principal and head of the department of theology at North India Institute of Post Graduate Theological Studies,[3] as theological secretary of Evangelical Fellowship of India, as dean of Consortium for Indian Missiological Education, and as founder and director of the Centre for Contemporary Christianity.

From 2002 to 2008, he also served as co-editor of Journal of Asian Evangelical Theology, a journal of the Asia Theological Association based in Singapore.

Arles died on June 5, 2015, of a heart attack.