Married or Single? is a 1951 Turkish comedy film written and directed by Muhsin Ertuğrul.

Ahmet, a bank teller, is a principled man who is organized in his work and family life. One day, he is assigned to collect money in Adana. On the train journey he takes for this purpose, a woman boards his compartment at one of the intermediate stations.

A tragic love story took place in Istanbul during the armistice years. Mediha who lives in Sisli region of Istanbul breaks up with Kemal however Kemal is still in love with Mediha and Kemal starts to work as a servant at the house where she lives with her new boyfriend. One day Mediha is murdered and her new boyfriend loses his memory due to this assault. And then, things get more complicated.