Khasakkinte Ithihasam (Malayalam:ഖസാക്കിന്റെ ഇതിഹാസം) is a Malayalam novel written by the Indian writer O. V. Vijayan. First published in 1969 and generally referred to as Khasak in literary circles, the novel has been reprinted more than fifty times, making it one of the most best-selling novels in South Asia.