Chaturanga^[1] (Bengali: চতুরঙ্গ; English: Quartet) is a novel by Rabindranath Tagore, widely considered^{[by whom?]} a landmark in Bengali literature.^[2] The novel was published in 1916.^[3][4] The story of the novel follows the journey of a young man named Sreebilas (the narrator), his meeting with his best friend, philosopher and guide Sachis, the story of Damini a widow and Jyathamoshai, an idealist person.^[2]

The novel consists of four chapters, each named for these main characters of the novel. Thus named Chaturanga, which in Sanskrit means "four parts", a "quartet".

In 2008, Chaturanga film was released, based on this novel.^[5]