
Alien Fetish
Exophilia
Added 21 Jun 2026 · Updated 23 Jun 2026
An erotic or romantic attraction to fictional extraterrestrial or otherworldly beings, expressed through media, art, and storytelling rather than any real entity. A fantasy-driven interest closely tied to science-fiction fandom; not a recognized clinical paraphilia.
- Prevalence
- Rare
- Category
- Identity & Transformation
- Clinical term
- Exophilia
- Domain
- Sexual interest
- Confidence
- Low confidence
- Status
- Not a recognized paraphilia; a fantasy- and media-driven attraction to fictional beings, benign among consenting adults.
- Also known as
- exophilia, extraterrestrial attraction, ET attraction, xenophilia (fictional beings), alien attraction
- Added
- 21 Jun 2026
- Updated
- 23 Jun 2026
Popularity index
About this readingThe Popularity Index is a 0–100 estimate of how widespread an interest is worldwide, blending five weighted signals — prevalence, search interest, community size, cultural visibility and research attention. The rank and percentile place this entry against all 389 catalogued entries.Read the methodology- This entry
- Median
- Middle half
Featured in
Overview
Exophilia is an erotic or romantic attraction to imagined aliens and extraterrestrial beings, ranging from near-human "space-folk" to wholly non-human forms. Because no real object of attraction exists, the interest is entirely fantasy- and media-based, drawing on science fiction, comics, games, and original fan creations. It is a niche facet of speculative-fiction fandom rather than a response to any encounter with a real entity, and it is not a clinically recognized diagnosis. This article traces where the term comes from, how the interest is expressed, the psychology proposed for it, and its modest but growing cultural footprint.
History & origins
Coinage of the term
Unlike most entries in the sexological canon, exophilia did not originate in a clinic. The term was coined by the pseudonymous writer Supervert in the 2001 book Extraterrestrial Sex Fetish, a literary-philosophical novel whose protagonist is obsessed with the sexuality of aliens. Because it arose from a work of fiction rather than clinical observation, exophilia is not listed as a paraphilia by the American Psychiatric Association in the DSM-5-TR and does not appear in the historical diagnostic literature. The word is built from Greek exo- ("outside, external") and -philia ("love, affinity"): literally "love of the outside," of that which lies beyond.
Antecedents in sexology
The broader pattern of erotic interest in non-human and fantastical figures long predates the modern term. Catalogues of unusual desire such as Richard von Krafft-Ebing's Psychopathia Sexualis (1886) and Havelock Ellis's Studies in the Psychology of Sex recorded attraction directed at imagined, symbolic, or fantastical objects, and the closely related notion of teratophilia (attraction to monstrous or deviant-from-norm forms) sits alongside it. Exophilia is best understood as the specifically extraterrestrial dialect of this older, wider family of non-human attraction.
Cultural & subcultural evolution
The distinctly extraterrestrial flavor is a product of twentieth-century popular culture. Pulp science fiction supplied the early archetypes (the seductive "green-skinned space woman," the enigmatic humanoid visitor) and post-war film and television cemented them. The widely publicized 1961 Betty and Barney Hill abduction account, chronicled in John G. Fuller's 1966 book The Interrupted Journey, folded intimate and invasive themes into UFO lore. Television franchises such as Star Trek introduced sympathetic interspecies romance into the mainstream, and by the 1970s and 1980s human–alien erotica circulated through fan fiction and zines at conventions. Two later developments gave the interest a commercial footing: the rise of self-published "alien romance" (also "sci-fi romance") as a distinct publishing niche in the 2010s, and the growth of an online "monster-loving" community over the same decade, overlapping with monster attraction and cosplay-driven fandom. Social platforms have since amplified it through fan edits and convention culture.
In practice
The interest is overwhelmingly imaginative and media-mediated. It is most often expressed through reading and writing fiction, consuming and producing fan art, collecting figures or media, and imaginative role-play: either solo or with a partner who adopts an alien persona (often via makeup, prosthetics, or costume). Its appeal typically centers on novelty, the allure of the exotic "other," idealized or exaggerated traits, and the safe distance that pure fantasy affords for exploring unconventional scenarios.
Psychology
There is little dedicated empirical study of exophilia specifically, so psychological accounts are largely extrapolated from the broader literature on fantasy and non-human attraction. It overlaps conceptually with monster and creature interests, furry-adjacent fandom, and the general appeal of imaginative escapism. Proposed motivators include curiosity and openness to experience, aesthetic taste, and the creative freedom to author one's own scenarios free of real-world social constraints. For most people it is one strand of a wider enjoyment of speculative fiction rather than a fixed or exclusive orientation, and the evidence base for any stronger claim is thin.
Prevalence & culture
No population survey isolates exophilia, so prevalence can only be inferred and is low. Large general-population studies of unusual fantasy (such as Joyal, Cossette & Lapierre (2015)) show that the great majority of fantasies are far more conventional, placing a media-driven, non-human interest firmly in the rare tail. Indirect signals of community size include active online fiction and art communities, sizeable "alien romance" and "monster romance" catalogues on self-publishing platforms, and subreddits and fan groups devoted to the theme. Cultural visibility is modest but rising, carried by speculative media and self-published romance, while formal clinical study remains minimal: lay overviews such as Glamour's A–Z of kinks treat it as a niche, benign fantasy.
Safety, consent & law
Exophilia is benign and not a recognized paraphilia. It concerns fictional beings only and involves no real person or animal, so when expressed through art, writing, role-play, and fantasy among consenting adults it raises no consent or legal concerns. As with any fantasy interest, the only ordinary considerations are communication and mutual consent within real-world adult relationships.
- Monster Fetish38/100Teratophilia · Identity & TransformationAn erotic or romantic attraction to monstrous, mythical, alien, or otherwise non-human creatures as portrayed in fiction, art, games, and film. Sometimes called teratophilia, it centers on imagined fantasy beings rather than any real person or animal.38
- Female Masking17/100Identity & TransformationA niche transformation practice of wearing realistic full-face or full-body silicone or latex masks and suits to present as another persona: in female masking, an idealized or doll-like woman. It centers on embodiment, transformation, and identity concealment.17
- Cosplay Fetish43/100Identity & TransformationAn erotic interest in dressing as, or being with a partner dressed as, a specific fictional character, where the costume and the embodiment of that persona are central to arousal. It blends costume, role-play, and fandom identity, and is a niche erotic facet of an otherwise non-sexual hobby.43
- Clown Fetish25/100Coulrophilia · Identity & TransformationCoulrophilia is an erotic or imaginative attraction to clowns or the clown persona, including the makeup, costume, and theatrical character. It is an uncommon interest, not a recognized clinical diagnosis.25
- Dronification25/100Identity & TransformationDronification, also called drone play, is a roleplay and identity-transformation interest in which a person is imagined or treated as an obedient, depersonalised "drone": a machine-like unit stripped of individuality. It draws on objectification, hypnosis and science-fiction themes of lost autonomy.25
- Vore25/100Vorarephilia · Identity & TransformationA fantasy interest in the idea of one being swallowing or being swallowed whole by another, almost always depicted in fiction, art, and animation. It is a symbolic, non-literal engulfment theme rather than any real act.25
From Greek exo- ('outside, external') + -philia ('love, affinity'), literally 'love of the outside': coined by the writer Supervert in the 2001 book Extraterrestrial Sex Fetish, a literary rather than clinical term for attraction to extraterrestrial beings.
non-human attraction · fantasy · media-driven
Rare · ≈ 1 in 1,000
- 01List of paraphilias — Wikipediadefinition/existence of attraction to non-human/extraterrestrial beings as a recognized fantasy interest
- 02An A–Z of Kinks and Fetishes — Glamourlay framing of alien/monster attraction as a niche media-driven fantasy kink
- 03Joyal, Cossette & Lapierre (2015), What Exactly Is an Unusual Sexual Fantasy?, J. Sexual Medicine 12(2):328-340framing context: most sexual fantasies are conventional, placing a media-driven non-human interest in the rare tail
- 04Exophilia — Wikipediaterm coined by the writer Supervert in the 2001 book Extraterrestrial Sex Fetish; defined as a fetishism whose object is the sexuality of extraterrestrials; not a DSM-recognized paraphilia
- 05Psychopathia Sexualis — WikipediaKrafft-Ebing's 1886 catalogue of unusual desire as an antecedent for attraction directed at imagined/symbolic objects
- 06DSM-5-TR, Paraphilic Disorders (American Psychiatric Association, 2022)exophilia is not listed as a recognized paraphilia in the DSM
