Lorillia was a member world of the United Federation of Planets and the homeworld of the Lorillian civilization. During the Borg Invasion of 2381, Lorillia was one of many worlds attacked and destroyed by the Borg Collective in an attempt to exterminate the Federation. (ST novel: Lost Souls)

Lorillia orbited the star Gamma Leporis. (ST reference: Star Charts)