John Ince (born May 30, 1952) is a lawyer, politician, an erotic arts enthusiast, and the controversial author of a book called The Politics of Lust. He founded The Erosha School of Erotic Massage and The Art of Loving, a sexuality center in Vancouver, British Columbia. He is also the leader of a political party, the Sex Party (British Columbia).

Ince's professional interest in sex began in the early 1980s when as a lawyer in Vancouver, Canada he began representing artists, performers and individual citizens fighting sexual censorship laws. One of his cases, Luscher v. Canada, was successful in striking down as unconstitutional a federal law that had prohibited sexual material from entering Canada for over one hundred years.

Ince's book, The Politics of Lust, argues that irrational sexual fear is pervasive in our culture, that it is largely unrecognized, and that it affects our political orientation.

In 2002, Ince opened The Art of Loving, a sex shop in Vancouver, Canada. It sells art, instructional books and videos and pleasure products. It also produces almost one hundred sexual seminars a year, many led by Ince. Ince produced an erotic event at The Art of Loving that garnered international media attention in 2003 after the Vancouver Police threatened to raid the show called "Public Sex, Art and Democracy" for performing live sexual acts. Ince, artist Martin Guderna, and the other performers refused to back down and, assisted by a legal team led by criminal defence lawyer Rishi Gill, no raid ever occurred and no charges were laid.