(Documents Relating to) The Sentimental Agents in the Volyen Empire is a 1983 science fiction novel by Doris Lessing. It is the fifth book in her five-book Canopus in Argos series and comprises a set of documents that describe the final days of the Volyen Empire, located at the edge of our galaxy and under the influence of three other galactic empires, the benevolent Canopus, the tyrannical Sirius, and the malicious Shammat of Puttiora. It was first published in the United States in March 1983 by Alfred A. Knopf, and in the United Kingdom in May 1983 by Jonathan Cape.

Doris May Lessing was a British novelist. She was born to British parents in Iran, where she lived until 1925. Her family then moved to Southern Rhodesia, where she remained until moving in 1949 to London, England. Her novels include The Grass Is Singing (1950), the sequence of five novels collectively called Children of Violence (1952–1969), The Golden Notebook (1962), The Good Terrorist (1985), and five novels collectively known as Canopus in Argos: Archives (1979–1983).