Keitarō

Keitarō is a Japanese given name. The spelling varies.

啓太郎

 * Keitarō Arima (born 1969), manga artist, author of Tsukuyomi -Moon Phase- among others
 * Izawa Keitaro, member of Appa and the band Tokyo Incidents

慶太郎

 * Motonaga Keitaro, director of the anime To Heart: Remember My Memories, Amaenaideyo!!, Lovely Idol, Iczer Girl Iczelion, Kikaider 01: The Animation, Yumeria, GetBackers, Magic Knight Rayearth OVA and School Days

敬太郎

 * Keitarō Takanami, founder and former member of pop group Pizzicato Five

To be sorted

 * Kondo Keitaro, author, recipient of the Akutagawa Prize
 * Keitaro Konnai (born 1978), swimmer
 * Keitaro Hara, chief equipping officer on the Japanese cruiser Haguro and later captain of Japanese battleship Ise and then Japanese battleship Nagato
 * Keitaro Hoshino (born 1969), boxer
 * Inoue Keitaro, martial artist, see Tenjin Shin'yō-ryū
 * Keitaro Miho, one of the composers for the film Les plus belles escroqueries du monde

景太郎

 * Keitarō Urashima, main protagonist of the manga Love Hina

敬太郎

 * Keitarō Shido, character in the tokusatsu television series Kamen Rider (Skyrider)
 * Keitarō Jin, character in the tokusatsu television series Kamen Rider X
 * Takeda Keitarou, character in the manga Majin Tantei Nōgami Neuro

啓太郎

 * Keitarō Kikuchi, character in the tokusatsu television series Kamen Rider 555

To be sorted

 * Keitarō Kiyomasa, character in the manga The Kindaichi Case Files.
 * Keitarō Mizuno, character in the anime Texhnolyze.
 * Keitaro Sasakawa, character in the drama series Tokyo Friends.
 * Keitarō Toukichi, character in the manga Princess Comet.