Tatu Kolehmainen

{{short description|Finnish long-distance runner}}

{{distinguish|David Kolehmainen}}

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

{{Infobox athlete

| name = Tatu Kolehmainen

| birth_name =

| image =Tatu Kolehmainen 1912.jpg

| caption =Tatu Kolehmainen at the 1912 Olympics

| nationality =Finnish

| sport = Long-distance running

| event = 5000 m, 10,000 m, marathon

| pb= 5000 m – 15:29.5 (1914)
10000 m – 32:24.9 (1912)
Mar – 2:29:08 (1912)

| club = Helsingin Jyry, Helsinki
HKV, Helsinki

| collegeteam =

| birth_date ={{Birth date|1885|4|21|df=yes}}

| birth_place =Kuopio, Finland

| residence =

| death_date = {{death date and age|1967|6|15|1885|4|21|df=yes}}

| death_place =Helsinki, Finland

| height = 162 cm

| weight =54–57 kg

}}

Tatu Kolehmainen (21 April 1885 – 15 June 1967) was a Finnish long-distance runner who competed at the 1912 and 1920 Summer Olympics. In 1912 he reached the finals of 10,000 m and marathon races, but failed to finish due to a strong heat. In 1920 he placed 10th in the marathon. His younger brother Hannes competed alongside at the 1912 and 1920 Games.{{cite web|url=https://www.olympedia.org/athletes/67642 |title=Tatu Kolehmainen |work=Olympedia |access-date=19 April 2021}}