Thuy T. Do, Chanintira na Thalang and Charmaine Misalucha-Willoughby discuss how Vietnam, Thailand and the Philippines contest and contribute to the liberal international order — Amid rising US–China competition, many believe that the future of the liberal international order (LIO) will be determined by the relationship between these two great powers. Yet, while both states are undeniably influential, they are far from alone in determining the fate of the international system.