Allegra (/əˈlɛɡrə/; [alˈlɛːɡra]) is a female given name of Italian origin meaning joy (happy) or lively. Allegra can refer to:
Allegra Byron (1817–1822), the illegitimate daughter of British Romantic poet George Gordon, Lord Byron and Claire Clairmont, the stepsister of Mary ShelleyAllegra Fuller Snyder, American film director and dance ethnographer; daughter of R. Buckminster Fuller, Inventor,*Allegra Goodman, American authorAllegra Huston, AuthorAllegra Kent, American ballet dancerAllegra McEvedy, British chefAllegra Versace (born 1986), heiress to the fashion house VersaceAllegra Stratton, British journalist