Aikaterini Oikonomopoulou

{{short description|Greek water polo player}}

{{Use dmy dates|date=June 2023}}

{{Infobox sportsperson

| name = Katerina Oikonomopoulou

| image =

| caption =

| birth_date = {{birth-date and age|16 February 1978}}

| birth_place = Athens, Greece

| height = 180 cm

| weight = 60 kg

| headercolor = lightsteelblue

| show-medals = yes

| medaltemplates =

{{MedalSport|Women's water polo}}

{{MedalCountry | {{GRE}} }}

{{MedalCompetition|Olympic Games}}

{{MedalSilver | 2004 Athens | Team }}

{{MedalCompetition|FINA Water Polo World League}}

{{MedalGold | 2005 Kirishi | Team }}

}}

Aikaterini Oikonomopoulou{{cite web |url=http://www.databaseolympics.com/players/playerpage.htm?ilkid=OIKONAIK01 |title=Aikaterini Oikonomopoulou |website=databaseOlympics.com |access-date=13 August 2014 |url-status=dead |archive-url=https://web.archive.org/web/20140814123503/http://www.databaseolympics.com/players/playerpage.htm?ilkid=OIKONAIK01 |archive-date=14 August 2014}} or Katerina Oikonomopoulou ({{langx|el|Κατερίνα Οικονομοπούλου}}; born 16 February 1978){{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/oi/katerina-oikonomopoulou-1.html |archive-url=https://web.archive.org/web/20161203180219/https://www.sports-reference.com/olympics/athletes/oi/katerina-oikonomopoulou-1.html |url-status=dead |archive-date=3 December 2016 |title=Katerina Oikonomopoulou |access-date=13 August 2014}} is a female Greek water polo player and Olympic silver medalist with the Greece women's national water polo team.

She received a silver medal at the 2004 Summer Olympics in 2004 Athens.{{cite web |url=http://www.databaseolympics.com/games/gamessport.htm?g=26&sp=WPO |title=2004 Summer Olympics – Athens, Greece – Water Polo |website=databaseOlympics.com |access-date=12 May 2008 |url-status=dead |archive-url=https://web.archive.org/web/20080818115024/http://www.databaseolympics.com/games/gamessport.htm?g=26&sp=WPO |archive-date=18 August 2008}}

She received a gold medal with the Greek team at the 2005 FINA Women's Water Polo World League in Kirishi.