Nicephorus II of Constantinople

{{Short description|Ecumenical Patriarch of Constantinople from 1260 to 1261}}

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

{{Infobox Christian leader

| name = Nicephorus II of Constantinople

| image =

| caption =

| church = Church of Constantinople

| archbishop_of = Ecumenical Patriarch of Constantinople

| term = {{circa}} March 1260 –
{{circa}} February 1261

| predecessor = Arsenius of Constantinople

| successor = Arsenius of Constantinople

| birth_name = Nicephorus

| birth_date =

| birth_place =

| death_date = {{circa}} February 1261

| death_place =

| buried = Nymphaion

| religion = Eastern Orthodoxy

}}

Nicephorus II of Constantinople (Greek: Νικηφόρος; died {{circa}} February 1261) was a Byzantine cleric and Ecumenical Patriarch of Constantinople in exile at the Empire of Nicaea.

Originally serving as Metropolis of Ephesus, he was elected to the patriarchate after the resignation of Arsenius of Constantinople in March 1260. He died after a few months, in February 1261, and was buried at Nymphaion. A period of vacancy followed his death, but after the reconquest of Constantinople in July, Arsenius was recalled from his retirement and restored to the patriarchal throne.