“Creole Exceptionalism” is defined as a set of beliefs, widespread among both linguists and nonlinguists, that Creole languages form an exceptional class on phylogenetic and/or typological grounds. It also has nonlinguistic (e.g., sociological) implications, such as the claim that Creole languages are a “handicap” for their speakers, which has undermined the role that Creoles should play in the education and socioeconomic development of monolingual Creolophones. Focusing on Caribbean Creoles, and on Haitian Creole in particular, it is argued that Creole Exceptionalism, as a sociohistorically rooted “régime of truth” (in Foucault's sense), obstructs scientific and social progress in and about Creole communities. Various types of Creole Exceptionalist beliefs are deconstructed and historicized, and their empirical, theoretical, and sociological flaws surveyed. These flaws have antecedents in early creolists' theories of Creole genesis, often explicitly couched in Eurocentric and (pre-/quasi-)Darwinian doctrines of human evolution. Despite its historical basis in colonialism and slavery and its scientific and sociological flaws, Creole Exceptionalism is still enshrined in the modern linguistics establishment and its classic literature, a not unexpected state given the social structure of scientific communities and the interaction between ideology and “paradigm-making.” The present Foucauldian approach to Creole Exceptionalism is an instantiation of a well-defined area of the linguistics/ideology interface. The conclusion proposes alternatives more consistent with Creole structures and their development, and more likely to help linguists address some practical problems faced by Creole speakers.This project has been supported by, inter alia, a much-appreciated fellowship from the National Endowment for the Humanities (# FA-37500-02). While I am responsible for the views and errors in this paper, I feel immensely privileged to have benefited from the generous encouragement and judicious comments of editor Jane Hill and two anonymous reviewers at Language in Society, and of many friends and colleagues: Myriam Augustin, Marie-Lucie Brutus, Noam Chomsky, Yves Dejean (Papa Iv), Dominique Fattier, Marilyn Goodrich, Ken Hale, Dimitri Hilton, Tometro Hopkins, Tami Kaplan, Antonia MacDonald-Smythe, Heliana Mello, Miriam Meyerhoff, Salikoko Mufwene, Marilene Phipps, Ella Maria Ray, Faith Smith, Geneva Smitherman, Arthur Spears, and Adrienne Talamas.