Takuya is a very common male Japanese given name.
People named Takuya include:
Takuya Asanuma (born 1971), Japanese guitarist and former member of Judy and Mary who performs as "TAKUYA"
Takuya Eguchi, Japanese voice actor
Takuya Hirai (born 1958), Japanese politician, member of the Japanese House of Representatives
Takuya Igarashi, Japanese anime director
Takuya Inoue, Japanese hentai artist
Takuya Jinno (born 1970), Japanese professional football (soccer) player
Takuya Kimura (born 1972), member of the Japanese pop vocal group, SMAP
Takuya Kimura (baseball) (1972–2010), baseball player
Takuya Kirimoto, Japanese voice actor
Takuya Kondo (born 1991), Japanese figure skater
Takuya Kurosawa (born 1962), Japanese race car driver
Takuya Murata, Japanese futurist
Takuya Onishi (born 1975), Japanese astronaut candidate from JAXA
Takuya Satō, Japanese script writer and anime director
Takuya Sugi (born 1983), Japanese professional wrestler
Takuya Takagi (born 1967), Japanese professional football (soccer) player and coach
Takuya Tasso (born 1964), Japanese politician, governor of Iwate Prefecture
Takuya Terada (born 1992), Japanese singer, actor and model, currently active in korean band Cross Gene
Takuya Tsukahara (born 1937), Japanese photographer
Takuya Uehara (born 1988), Japanese singer and actor
Takuya Yamada (born 1974), Japanese professional football (soccer) player
Takuya∞, the vocalist for the Japanese band Uverworld
Fictional characters:
Takuya Enoki, the main character in the manga Aka-chan to Boku
Takuya Morooka in Maji de Watashi ni Koi Shinasai! (Majikoi ~ Oh! Samurai Girls)
Takuya Kanbara, fictional character in the anime series Digimon Frontier.