Outi Kettunen

{{Short description|Finnish biathlete (born 1978)}}

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

{{Infobox sportsperson

| name = Outi Kettunen

| full_name = Outi Petra Maria Kettunen

| image =

| caption =

| nationality = Finnish

| sport = Biathlon

| event =

| club =

| collegeteam =

| birth_date = {{birth date and age|1978|3|8|df=yes}}

| birth_place =

| death_date =

| death_place =

| height =

| weight =

}}

Outi Petra Maria Kettunen-Walter (née Kettunen; born 8 March 1978) is a Finnish biathlete. She competed in the four events at the 2002 Winter Olympics.{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/ke/outi-kettunen-1.html |archive-url=https://web.archive.org/web/20200417181730/https://www.sports-reference.com/olympics/athletes/ke/outi-kettunen-1.html |url-status=dead |archive-date=17 April 2020 |title=Outi Kettunen Olympic Results |accessdate=19 November 2017}}

In 2000, Kettunen received a two-year ban from competition due to testing positive for nandrolone. The ban was later cut to one year, ending in September 2001.{{cite web |url=https://yle.fi/urheilu/3-7837436 |title=Suomalaisen vanha ja outo dopingtuomio mahdollisesti joskus uuteen käsittelyyn |website=yle.fi |date=4 March 2015 |access-date=26 November 2017 |language=fi}}

Kettunen-Walter works for a sports company in Switzerland.