Ioannis Kostakis

{{original research|date=September 2024}}

{{Short description|Greek Paralympic swimmer (born 1971)}}

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{{Infobox sportsperson

| birth_date = {{Birth-date and age|16 December 1971}}

| birth_place =

| headercolor = lightsteelblue

| show-medals = yes

| medaltemplates =

{{MedalSport | Men's para swimming }}

{{MedalCountry | {{GRE}} }}

{{MedalCompetition | Paralympic Games }}

{{MedalBronze| 2004 Athens | 100 m freestyle S3}}

{{MedalCompetition | World Championships}}

{{MedalBronze | 2002 Mar del Plata | 100 m freestyle S3}}

}}

Ioannis Kostakis (born 16 December 1971){{cite web |title=Ioannis Kostakis |website=paralympic.org |publisher=paralympic.org |url=https://www.paralympic.org/ioannis-kostakis}} is a Greek swimmer.

He has represented Greece at the Paralympic Games on seven occasions, in 2000, 2004, 2008, 2012, 2016, 2020 and 2024 . He won the bronze medal at the 2004 Games in Athens.