Nikaia-Agios Ioannis Renti

{{Infobox Greek Dimos

|name = Nikaia-Agios Ioannis Renti

|name_local = Νίκαια-Άγιος Ιωάννης Ρέντη

|type = municipality

|image_map = 2011 Dimos Nikeas-Agiou Ioanni Rendi.png

|periph = Attica

|periphunit = Piraeus

|pop_municipality = 103488

|area_municipality = 11.173

|population_as_of = 2021

|elevation =

|coordinates = {{coord|37|58|N|23|38|E|format=dms|display=inline,title}}

|postal_code =

|area_code =

|licence =

|website =

|image_skyline =

|caption_skyline =

|mayor = Konstantinos Maragkakis[https://ekloges.ypes.gr/current/d/home/en/municipalities/9204/ Municipality of Nikea – Aghios Ioannis Rentis, Municipal elections – October 2023], Ministry of Interior

|party =

|since = 2023

}}

Nikaia-Agios Ioannis Renti ({{langx|el|Νίκαια-Άγιος Ιωάννης Ρέντη}}) is a municipality in the Piraeus regional unit, Attica, Greece. The seat of the municipality is the town Nikaia.{{Cite web|url=http://www.et.gr/idocs-nph/search/pdfViewerForm.html?args=5C7QrtC22wGYK2xFpSwMnXdtvSoClrL8-SrPzKAEPjjtIl9LGdkF53UIxsx942CdyqxSQYNuqAGCF0IfB9HI6hq6ZkZV96FIukI0UzcPsWCK0LpLhpa7rhiWB4R5ntTnoWw7U8E1Amg.|title=ΦΕΚ A 87/2010, Kallikratis reform law text|language=el|publisher=Government Gazette}} The municipality has an area of 11.173 km².{{cite web|url=http://dlib.statistics.gr/Book/GRESYE_02_0101_00098%20.pdf|publisher=National Statistical Service of Greece|title=Population & housing census 2001 (incl. area and average elevation)|language=el}}