The aims of this research are to interpret, analyze, as well as describe the form and problems of heroism in Surabaya City on Indonesian postcolonial poetry. Heroism is very essential for the life of anation therefore its also voiced out by the poets through their poetry. This research uses heroism concept and postcolonial literary theory in a qualitative method. The result concludes that heroism in Surabaya City on some postcolonial Indonesian poetries is expressed through war setting descriptions. On the other hand, heroism is also linked with reflections to interpret the independence and sincerity of the of heroes. Heroism and ambivalent situations are also voiced by the poets related to the development of Surabaya City which becomes more complex.