Agios Panteleimonas Greek Orthodox Church (Greek: Άγιος Παντελεήμωνας Ἑλληνορθόδοξη Ἑκκλησία, Turkish: Ayios Panteleimon Rum Ortodoks Kilisesi) is a Greek Orthodox church dedicated to Saint Pantaleon located in Kuzguncuk neighborhood of Üsküdar district in Istanbul, Turkey.

[1] The church was opened to worship during the reign of Ottoman Sultan Mahmud II (r. 1808–1839) in 1831.

[2] The church building is designed in Greek cross form of Byzantine architecture.

The belfry, built by Andon Hüdaverdioğlu of Kuzguncuk in 1911, is situated over the marble courtyard entrance gate.

Just on the street beside the church, a small square-plan holy well (Greek: ἁγίασμα, pr.