Geertje Wielema

{{Short description|Dutch swimmer (1934–2009)}}

{{Use dmy dates|date=July 2021}}

{{Infobox swimmer

|name=

|image=Geertje Wielema 1955.jpg

| image_size =

|caption=Wielema in 1955

|birth_date=24 July 1934

|birth_place=Hilversum, Netherlands

|death_date=18 August 2009 (aged 75)

|death_place=Almere, Netherlands

| height =

| weight =

|sport=Swimming

|club=De Robben, Hilversum

|alma_mater=

| show-medals = yes

| medaltemplates =

{{MedalCountry | {{NED}} }}

{{MedalCompetition |Olympic Games}}

{{MedalSilver| 1952 Helsinki | 100 m backstroke}}

{{MedalCompetition|European Championships[http://www.gbrathletics.com/sport/swimecw.htm EUROPEAN SWIMMING CHAMPIONSHIPS (WOMEN)]. gbrathletics.com}}

{{MedalGold| 1954 Turin | 100 m backstroke}}

{{MedalSilver| 1954 Turin | 4×100 m freestyle}}

{{MedalBronze| 1954 Turin | 100 m freestyle}}

}}

Geertje Wielema (24 July 1934 – 18 August 2009) was a freestyle and backstroke swimmer from the Netherlands, who won the silver medal at the 1952 Summer Olympics in the 100 m backstroke. In 1954 she won three medals at European championships and was named Holland's first female Sportspersonality of the Year. She missed the 1956 Olympics in Melbourne due to their boycott by the Netherlands, but continued swimming until late 1950s and later served as a swimming judge.[https://www.sports-reference.com/olympics/athletes/wi/geertje-wielema-1.html Geertje Wielema] {{webarchive |url=https://web.archive.org/web/20120718065301/http://www.sports-reference.com/olympics/athletes/wi/geertje-wielema-1.html |date=18 July 2012 }}. sports-reference.com Between 1950 and 1954 she set five world records in medley relay and individual backstroke events.[http://www.zwemmenindepolder.nl/zwemmers/zwemmers-1940-1970/geertje-wielema.html Geertje Wielema] {{Webarchive|url=https://web.archive.org/web/20131030085506/http://www.zwemmenindepolder.nl/zwemmers/zwemmers-1940-1970/geertje-wielema.html |date=30 October 2013 }}. zwemmenindepolder.nl