Kotaro Taniguchi

{{short description|Japanese sprinter}}

{{Use dmy dates|date=March 2020}}

{{Infobox sportsperson

| name = Kotaro Taniguchi

| image = Kotaro_Taniguchi (cropped).jpg

| imagesize =

| caption =

| nationality =

| sport = Track and field

| event = 200 metres

| collegeteam = Chuo University

| birth_date = {{Birth date and age|1994|11|3|df=y}}

| birth_place =

| height = 1.84 m

| weight = 79 kg

| medaltemplates =

}}

{{nihongo|Kotaro Taniguchi|谷口耕太郎|Taniguchi Kōtarō|extra=born 3 November 1994}} is a Japanese sprinter competing primarily in the 200 metres. He finished fourth at the 2015 Asian Championships. As part of the Japanese 4 × 100 metres relay, he won medals at the 2015 IAAF World Relays and 2015 Summer Universiade.