Oyyarathu Chandu Menon was a Malayalam language novelist. He is the author of Indulekha, the first major novel in Malayalam published in 1889.

Indulekha is a Malayalam novel written by O. Chandu Menon. Published in 1889, it was the first major novel in the Malayalam language. It was a landmark in the history of Malayalam literature and initiated the novel as a new flourishing genre. The novel is about a beautiful, well-educated lady of a Nair tharavad.