Kir Bulychyov (real name Igor Vsevolodovich Mozheiko) is a Russian Soviet science fiction writer, playwright, screenwriter and literary critic. Historian and orientalist, falerist.

Doctor of Historical Sciences. Laureate of the USSR State Prize (1982). The pseudonym is composed of the name of the wife of Kira and the maiden name of the writer’s mother, Maria Mikhailovna Bulychyova.