MarsCon (Bloomington, Minnesota)

MarsCon is a science fiction convention held in Bloomington, Minnesota, United States. It was first held in February 1999 with the goal of appealing to a diverse audience of fans in Minnesota and the vicinity. It is a mid-sized convention with a wide variety of events including panel discussions, guest of honor presentations, music of many kinds, art show, film room (including anime), science room, dealers room, charity auction, and a masquerade. Past guests have included actors, authors, artists, scientists, musicians, producers, and even the occasional pooka. The Minneapolis Star-Tribune describes MarsCon as "for the sci-fi serious nerds".

Since 2003, MarsCon Minnesota has also included a strong presence of the "Dementia" (comedy/novelty/filk) music genre, making the convention one of the largest events in the country to showcase such music.