Vortex is a 1991 war novel by Larry Bond and Patrick Larkin. Set during the final years of apartheid in South Africa, Vortex follows the assassination of a reformist National Party president and his cabinet by the African National Congress, as well as a subsequent seizure of power by far-right Afrikaners. The plot unfolds through a series of intertwining accounts narrated through several characters. It was a commercial success, receiving generally positive reviews. A Vortex audiobook, presented by David Purdham, was released via Simon Schuster Audio in August 1991.