The T5 Eminönü–Alibeyköy Coach Station tram line (Turkish: T5 Eminönü–Alibeyköy Cep Otogarı tramvay hattı) is a tram line following the coastline of the Golden Horn on the European side of Istanbul, Turkey.

The first section consisting of 12 stations between Cibali [tr] (tr) and Alibeyköy Coach Station at a length of 8.8 km (5.5 mi) was officially opened on 1 January 2021,[2][3] and extension to Eminönü was officially opened on 30 August 2023.

The line is 10.1 km (6.3 mi) long with 14 stations each 60 m (196 ft 10 in) of length.

Its route mostly follows the western coastline of the Golden Horn,[5] and is built on the bank next to the existing street.

The line uses Alstom's APS (a third rail embedded in the ground between the tracks) for electrification to avoid visual pollution, a difference from other tram lines in the city, which have traditional overhead wires suspended from roadside posts.