A usurper is a person who makes an illegitimate or controversial claim to power.
Usurp, usurper, or usurpation may also refer to:
Literature
Conan the Usurper, a 1967 collection of fantasy stories Usurper!, a Way of the Tiger gamebook Usurpers, novel by Francisco Ayala War of the Usurper, name given by the Loyalists during Robert's Rebellion in World of Westeros
Other , a Royal Navy Second World War submarine Usurp Synapse, a screamo band from Indiana Usurpation of Qi by Tian, a series of events between 481 and 379 BCE during which the Tian clan overthrew the Jiang clan in the ancient Chinese state of Qi Nest usurpation, when the queen of one species of eusocial insects takes over the colony of another species
See also List of usurpers List of Roman usurpers Wikipedia:USURP Link rot, where if a link gets hijacked, it is called link usurpation