The Repairer of Reputations is a short story published by Robert W. Chambers in the collection The King in Yellow in 1895.
In Chambers' The King in Yellow (1895), a fin-de-siècle collection of horror stories, Hastur is the name of a potentially supernatural character (in "The Demoiselle D'Ys"), a place (in "The Repairer of Reputations"), and mentioned without explanation in "The Yellow Sign".