Gadis pintu sebelah adalah sebuah karakter perempuan muda yang seringkali dipakai dalam cerita-cerita romansa. Ia dinamai demikian karena ia seringkali tinggal di pintu sebelah dari karakter protagonis atau merupakan teman masa kecil. Mereka biasanya menjalin hubungan sebagai teman dan kemudian berkembang menjadi hubungan percintaan.
From a review: "To Michal Levine and Steven Jay Schneider ... Buffy is just another unconscious Freudian reality tale starring the proverbial girl next door." in: Joss Whedon: The Complete Companion: The TV Series, the Movies, the Comic Books, and More
The article criticizes Sports Illustrated for their misuse of term "girl next door": "Otherwise the magazine is still pushing what Ms. Brinkley repeatedly described as the "natural beauty" of "what readers long for – the girl next door". Who is the girl next door? Her fake name keeps changing but she is still the same empty-headed, smiling, air-brushed mannequin who appeared in Playboy in the 1950s and early 60s..."
