Yıl Parkı-Kazım Karabekir line, is a proposed rapid transit line of the Istanbul Metro system, currently under construction in the Asian part of Istanbul, Turkey.

Built by the Metropolitan Municipality of Istanbul, the line will be 13.03 km (8.10 mi) long with 11 stations.

The line will run through three districts of Istanbul, namely Kadıköy, Ataşehir and Ümraniye.

It will connect to other rapid transit lines at Tütüncü Mehmet Efendi station to Marmaray, at Yenisahra to M4 Kadıköy–Sabiha Gökçen Airport, and at Çarşı to M5 Üsküdar–Çekmeköy.

[3] The new mayor Ekrem İmamoğlu announced that the metropolitan municipality restarted the construction works.