Irini Vasiliou

{{Short description|Greek sprinter (born 1990)}}

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

{{Infobox sportsperson

| name = Irini Vasiliou

| image = 10944 Ειρήνη και Άννα Βασιλείου.jpg

| caption = Eirini and Anna Vasiliou

| birth_name =

| fullname =

| nationality = Greek

| birth_date = {{birth date and age|1990|3|18|df=yes}}

| birth_place = Heraklion, Greece

| death_date =

| death_place =

| height = 1.69 m

| weight = 58 kg

| country = Greece

| sport = Track and field

| event = 400 metres
200 metres

| pb = 400 m: 51.75 s (2019)
400 m (i): 52.76 s (2021)
200 m: 23.31 s (2019)
200 m (i): 23.51 s (2021){{Cite web|url=https://www.sport-fm.gr/article/ksana-edupwsiaki-i-eirini-basileiou-sta-200-metra/4155396|title=Ατομικό ρεκόρ για Ειρήνη Βασιλείου στα 200 μέτρα|first=sport-fm|last=newsroom|website=sport-fm.gr}}

}}

Irini Vasiliou ({{langx|el|Εἰρήνη Βασιλείου}}; born 18 March 1990) is a Greek sprinter.{{cite web|url=http://www.iaaf.org/athletes/greece/irini-vasiliou-223340 |title=Irini Vasiliou |work=IAAF |date=11 July 2016| access-date=11 July 2016}} She competed in the 400 metres at the 2016 European Athletics Championships.[http://www.european-athletics.org/competitions/european-athletics-championships/2016/athletics/event/womens-400m/phase=atw004900/index.html Heats results] {{webarchive|url=https://web.archive.org/web/20160707010630/http://www.european-athletics.org/competitions/european-athletics-championships/2016/athletics/event/womens-400m/phase%3Datw004900/index.html |date= 7 July 2016 }} At the 2016 Summer Olympics and the 2020 Summer Olympics she competed in the 400 metres.{{Cite web|url=https://www.rio2016.com/en/athletics-standings-at-womens-400m |title=Rio 2016 |website=Rio 2016 |access-date=27 August 2016 |url-status=dead |archive-url=https://web.archive.org/web/20160821005948/https://www.rio2016.com/en/athletics-standings-at-womens-400m |archive-date=21 August 2016}}

Her twin sister Anna is also a 400 metres athlete.{{cite web|url=http://www.sport-fm.gr/article/sugklonistiko-bideo-me-tis-didumes-aderfes-basileiou/3176560 |title=Συγκλονιστικό βίντεο με τις δίδυμες αδερφές Βασιλείου! |publisher= sport-fm |date=19 June 2016| access-date=7 August 2017}}