Hayato Chiba (千葉 逸人, born 18 January 1982) is a Japanese mathematician and professor at the Advanced Institute for Materials Research of Tōhoku University.[1] He mainly concerns himself with the theory of dynamical systems, especially bifurcation theory, and proved the Kuramoto conjecture about infinite-dimensional differential equations with chaotic behavior.[2] He obtained his doctorate degree in information sciences at the University of Kyoto.