Perariyathavar (English: Names Unknown) is a 2015 Indian Malayalam film directed by Dr. Biju.

The film revolves around two sweepers and the problems they encounter in life, depicting the agonies of the marginalised section of society.

[2] The story revolves around a widowed father and son working as scavengers in Kollam Municipal Corporation and the harsh life they face.

It is the second film produced by Anilkumar with Dr Biju after Akasathinte Niram (Color of Sky).

The noted filmmaker and jury chairman Saeed Mirza said in a press conference, "Suraj has played a municipal sweeper [in the film] but it is an incredibly dignified performance.