Consider Phlebas, first published in 1987, is a space opera novel by Scottish writer Iain M. Banks. It is the first in a series of novels about an interstellar post-scarcity society called the Culture.

Iain Banks was a Scottish author, writing mainstream fiction as Iain Banks and science fiction as Iain M. Banks, adding the initial of his adopted middle name Menzies. After the success of The Wasp Factory (1984), he began to write full time. His first science fiction book, Consider Phlebas, appeared in 1987, marking the start of the Culture series. His books have been adapted for theatre, radio, and television. In 2008, The Times named Banks in their list of "The 50 greatest British writers since 1945".