Kōtarō Tanaka

Kōtarō Tanaka may refer to:


 * Kōtarō Tanaka (judge) (1890–1974), Japanese jurist, judge of the International Court of Justice, and politician
 * Kōtarō Tanaka (photographer) (1901–1995), Japanese photographer
 * Kōtarō Tanaka (actor, born 1964), see List of Higurashi no Naku Koro ni characters
 * Kōtarō Tanaka (actor, born 1982), also written as Koutaro Tanaka
 * Kōtarō Tanaka, musician on "Stay the Ride Alive"