Ren

• Orenburg Tsentralny Airport, IATA code REN, civil airport in Russia
• Redes Energéticas Nacionais (REN), Portuguese company
• Renanthera, abbreviated as Ren, orchid genus
• Ringer equivalence number (REN), a number which denotes the loading effect of a telephone ringer on a telephone line

• Ren County, in Hebei, China
• Ren, Iran, a village in Kerman Province, Iran
• Ren (building), a high-rise residential building in Seattle, Washington, United States

• REN (gene)
• Ren, in anatomy, a kidney
• Ren (command), a shell command in computing

• A diminutive of the given name Renée
• Ren (surname) (任), Chinese surname
• MC Ren, rapper from the group NWA
• Ren (singer), member of South Korean boy band NU'EST
• Ren Gill, UK singer-songwriter, rapper, poet, producer and multi-instrumentalist.
• Renforshort, Canadian singer formerly known as Ren
• Ren Yano (矢野 仁), Japanese traditional calligrapher
• Shōji Ren (庄司 廉, 1887-1960), Japanese businessman
• Ren Osugi (大杉 漣, 1951–2018), Japanese actor
• Ren Sato (politician) (佐藤 錬, born 1951), Japanese politician
• Ren Sengoku (仙石 廉, born 1990), Japanese football player
• Ren Ozawa (小澤 廉, born 1991), Japanese actor
• Ren Kazahari (風張 蓮, born 1993), Japanese baseball pitcher
• Ren Wada (和田 恋, born 1995), Japanese baseball player
• Ren Ikeda (池田 廉, born 1997), Japanese footballer
• Ren Kawashiri (川尻 蓮, born 1997), Japanese singer and member of JO1
• Ren Yamamoto (footballer, born 1997) (山本 蓮}, born 1997), Japanese footballer
• Ren Meguro (目黒 蓮, born 1997), Japanese singer, actor, and member of Snow Man
• Ren Narita (成田 蓮, born 1997), Japanese wrestler
• Ren Hiramoto (平本 蓮, born 1998), Japanese mixed martial artist
• Ren Omagari (大曲 錬, born 1998), Japanese baseball player
• Ren Yamakawa (山川 廉}, born 1998), Japanese footballer
• Ren Yamamoto (footballer, born 1999) (山本 廉}, born 1999),Japanese footballer
• Ren Nagase (永瀬廉, born 1999), Japanese singer, actor, and member of King & Prince
• Ren Kato (加藤 蓮, born 1999), Japanese footballer
• Ren Fujimura (藤村 怜, born 1999), Japanese football player
• Ren Ishihara (石原 怜, born 2001), Japanese footballer
• Ren Sato (racing driver) (佐藤 蓮, born 2001), Japanese racing driver

• Ren, "name, identity", an Ancient Egyptian concept of the soul or spirit
• Ren (Confucianism), Confucian concept

Single name

• Ren, the titular heroine from the fantasy webseries Ren: The Girl with the Mark from Mythica Entertainment and Kate Madison
• Ren (Tsukihime), a character from the game Kagetsu Tohya and Melty Blood: Re-ACT
• Ren, son of Primus, protagonist of the animated series The Pirates of Dark Water
• Ren (Star Wars) (not to be confused with Kylo Ren), a character in the Star Wars franchise

First name

• Ren Akiyama of Kamen Rider
• Ren Amamiya, the name used for Joker, the main protagonist, in the anime adaptation of Persona 5
• Ren Ashbell, an alias used by the protagonist of Bladedance of Elementalers, Kamito Kazehaya
• Ren Gottlieb, a character from the Australian soap Neighbours
• Ren Höek, a fictional chihuahua from the Nickelodeon animated series The Ren & Stimpy Show
• Ren Honjo, a character from the manga, anime, and film NANA
• Ren Mihashi, main character from the manga, anime and game from Big Windup!
• Ren Jinguuji, a character from the anime, game and manga from Uta no Prince-sama
• Ren Karas, a character from the anime and manga Element Hunters
• Ren Krawler, the Darkus protagonist from the animated series Bakugan: Gundalian Invaders
• Ren, a character from the game and anime "DRAMAtical Murder"
• Ren, a character from the video game Oxenfree
• Ren Kosaka, main character from the 2008 Japanese tokusatsu television series, Go-ongers
• Ren Maka, a character from the anime Chibi Vampire
• Ren McCormack, the main character from the film Footloose
• Ren Ren Ren Nagusaran Renshia Rurunnren Nakora, heroine of DearS
• Ren Sohma, the mother of Akito Sohma in the manga Fruits Basket
• Ren Stevens, a character from Even Stevens
• Ren Tsuruga, character in the manga Skip Beat
• Tao Len, sometimes romanized as Tao Ren, a character in Shaman King
• Ren Suzugamori, a character in the anime series Cardfight!! Vanguard

Last name

• Wuying Ren, a character from Shenmue II
• Kylo Ren, a character from the Star Wars sequel trilogy
• Hakuryuu Ren, Fourth Imperial Prince of Kou in the anime Magi: The Labyrinth of Magic and Magi: The Kingdom of Magic
• Lie Ren, a character from the American animated series RWBY

• Ren (fictional weapon), an alternate term for lightsaber in the Star Wars franchise
• REN TV, a Russian free-to-air television network
• Ren - meaning to connect or link in Japanese culture - see also renga / renku
• Ren - the name given to the Chinese sports car Techrules Ren.

• Renn (disambiguation)
• Rennie (disambiguation)