Riku
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Riku is both a masculine Finnish given name and a unisex Japanese given name. Notable people with the name include:
Real people
Finnish
- Riku Hahl (born 1980), Finnish NHL hockey player
- Riku Heini (born 1990), Finnish footballer for FC Lahti
- Riku Helenius (born 1988), Finnish NHL hockey player
- Riku Immonen (born 1974), Finnish professional Muay Thai kickboxer and active muay thai coach
- Riku Jääskä (born 1998), Finnish footballer
- Riku Kiri (born 1963), Finnish sportsman
- Riku Korhonen (born 1972), Finnish writer and journalist
- Riku Korhonen (gymnast) (1883–1932), Finnish gymnast
- Riku Nieminen (born 1986) Finnish actor and dancer
- Riku Paularinne (born 1988), Finnish football coach
- Riku Pitkänen (born 1991), Finnish former ice hockey forward
- Riku Pöytäkivi (born 1993), Finnish swimmer
- Riku Rantala (born 1974), Finnish journalist and presenter
- Riku Riski (born 1989), Finnish footballer
- Riku Selander (born 1994), Finnish footballer
- Riku Sjöroos (born 1995), Finnish footballer
- Riku Toivo (born 1989), Finnish professional ice hockey player
Japanese
- Riku Anpo(安保 璃紅; born 1997), Japanese kickboxer
- Riku Danzaki(檀崎 竜孔; born 2000), Japanese footballer
- Riku Fukashiro(深代 陸; born 2000), Japanese professional footballer
- Riku Furuyado(古宿 理久, born 2001), Japanese footballer
- Riku Handa(半田 陸; born 2002), Japanese footballer
- Riku Hashimoto(橋本 陸; born 1998), Japanese footballer
- Riku Hatano(秦野 陸; born 2001), Japanese badminton player
- Riku Hirosue(廣末 陸; born 1998), Japanese football player
- Riku Iijima(飯島 陸; born 1999), Japanese footballer
- Riku Kamigaki(神垣 陸; born 1998), Japanese footballer
- Riku Kano(加納 陸; born 1997), Japanese professional boxer
- Riku Kazushima(数島 大陸; born 2002), Japanese kickboxer
- Riku Kobayashi(小林 里駆; born 2001), Japanese footballer
- Riku Matsuda(松田 陸; born 1991), Japanese professional footballer
- Riku Matsuda(松田 陸; born 1999), Japanese footballer
- Riku Misora(海空 りく; born 1987), Japanese novelist
- Riku Miura(三浦 璃来; born 2001), Japanese figure skater
- Riku Morioka(森岡 陸; born 1998), Japanese footballer
- Riku Morisaka(森坂 陸; born 1998), Japanese kickboxer
- Riku Nakayama(中山 陸; born 2001), Japanese footballer
- Riku Nozawa(野澤 陸; born 1998), Japanese footballer
- Riku Ochiai(落合 陸; born 1999), Japanese footballer
- Riku Oe(大江 梨久; born 2002), Japanese member from NiziU
- Riku Onda(恩田 陸; born 1964), Japanese writer
- Riku Saga(嵯峨 理久; born 1998), Japanese footballer
- Riku Sanjo(三条 陸; born 1964), Japanese manga artist
- Riku Tanaka(田中 陸; born 1999), Japanese footballer
- Riku Tsuchiya(土屋 陸; born 1997), Japanese speed skater
- Riku Watanabe(渡邉 陸; born 2000), Japanese professional baseball catcher
- Riku Yamada(山田 陸; born 1998), Japanese footballer
- Riku Yamane(山根 陸; born 2003), Japanese footballer
- Riku Yanagisawa(栁澤 李空; born 2001), Japanese curler
Other nationalities
- Riku Lätti (born 1973), South African singer, songwriter and writer
- Riku Morgan, Nigerian Airforce officer
Fictional characters
- Riku, a character in 47 Ronin
- Riku (Kingdom Hearts), a character in Kingdom Hearts
- Riku, a character in Kino's Journey
- Riku, a character in Xenoblade Chronicles 3
- Riku, a character in Yashahime
- Riku Ageha, a character in Star-Myu
- Riku Asakura, a character in Ultraman Geed
- Riku Dola, a character in No Game No Life: Zero
- Riku Harada, a character in D.N.Angel
- Riku Kitazawa, a character in Gravitation
- Riku Mikami, a character in Gundam Build Divers
- Riku Miyagusuku, a character in Blood+
- Riku Nanase, a character in IDOLiSH7
- Riku Tanaka, a character in Years and Years
- Riku Utomiya, a character in Classroom of the Elite
- Rikku, a character in Final Fantasy X