Throughout the postwar era, many realists and liberals have maintained the fiction of American hegemony. They have described it as the keystone to global political and economic stability. (1) They have also worried that US hegemony was in decline. In the 1970s, these fears were triggered by the resurgence of Germany and Japan, and in the last decade, by the remarkable rise of China. We contend that US hegemony, to the extent it ever existed, was a short-lived postwar phenomenon; that the US frequently behaved in ways that has threatened the order it is allegedly committed to upholding; that hegemony is unnecessary--perhaps inimical--to global stability; and that the functions associated with hegemony have in practice become increasingly diffused among the great powers. Conceptually, the commitment to hegemony stands in the way of our understanding of contemporary International relations. Substantively, It offers an inappropriate and unrealistic role model for American policymakers. Keywords: Power, Influence, hegemony, realism, liberalism, sponsorship, collaboration Savas sonrasi donemde, pek cok realist ve liberal, bir Amerikan hegemonyasi vehmetmis ve bunun kuresel siyasi ve ekonomik istikrar icin elzem oldugunu iddia etmistir. Ayni zamanda, Amerikan hegemonasinin dususe gecmis olmasi nedeniyle endise duymuslardir. 1970'lerde bu korkular Almanya ve Japonya'nin yeniden one cikmasi ile tetiklenmisti. Son on yilda ise ayni durum Cin'in gozalici yukselisi ile tekrarlandi. ABD hegemonyasi, bize gore-eger vardi ise-kisa sureli bir savas sonrasi olguydu. ABD siklikla, korumaya kararli oldugu iddia edilen duzen tehdit eden davranislarda bulunmustur. Dahasi, hegemonya kuresel istikrar icin gerekli de degildir hatta belki de istikrara zarar verir. Hegemonya ile bagdastirilan islevler ise pratikte buyuk gucler arasinda giderek daha fazla oranda bolusulmektedir. Kavramsal acidan ise hegemonya gunumuz uluslararasi iliskilerini anlamamiza bir engel teskil etmektedir. Esasta ise Amerikan politika yapicilari icin uygun olmayan ve gercekcilikten uzak bir rol modeli onermektedir. Anahtar Kelimeler: Guc, nufuz, hegemonya, realizm, liberalism, sponsorluk, isbirligi, The starting point of our argument is Charles Kindleberger's 1973 formulation of International leadership. It has provided the intellectual foundation for so many liberal and realist arguments about hegemony and [...]