Neophytus VIII of Constantinople

{{Short description|Ecumenical Patriarch of Constantinople from 1891 to 1894}}

{{Expand Greek|topic=bio|Πατριάρχης Νεόφυτος Η΄|date=June 2012}}

{{Use dmy dates|date=January 2025}}

{{Infobox Christian leader

| name = Neophytus VIII of Constantinople

| image = Neophytus VIII.jpg

| caption =

| church = Church of Constantinople

| archbishop_of = Ecumenical Patriarch of Constantinople

| term = 8 November 1891 –
6 November 1894

| predecessor = Dionysius V of Constantinople

| successor = Anthimus VII of Constantinople

| birth_name = Joachim Papakonstantinou

| birth_date = 1832

| birth_place = Rodolivos, Serres

| death_date = 18 July 1909

| death_place =

| buried =

| religion = Eastern Orthodoxy

}}

Neophytus VIII of Constantinople ({{langx|el|Νεόφυτος}}; 1832 – 18 July 1909) was Ecumenical Patriarch of Constantinople from 1891 until his resignation in 1894.{{Cite book |url=https://books.google.com/books?id=QLWqXrW2X-8C |title=The Ecumenical Patriarchate |first=Demetrius |last=Kimias |date=2009 |isbn=9781434458766 |page=43}}