| Church: | Church of Constantinople |
| Archbishop Of: | Ecumenical Patriarch of Constantinople |
| Term: | February 1186 – February 1189 |
| Predecessor: | Basil II of Constantinople |
| Successor: | Dositheus of Constantinople |
| Birth Date: | ? |
| Death Date: | after 1189 |
Nicetas II Mountanes (Greek, Modern (1453-);: Νικήτας Μουντάνης; died after 1189) was Ecumenical Patriarch of Constantinople from February 1186 to February 1189. He was appointed by the Byzantine emperor Isaac II Angelos.