Takuzo Aida is a polymer chemist known for his work in the fields of supramolecular chemistry, materials chemistry and polymer chemistry.

Aida, who is the Deputy Director for the RIKEN Center for Emergent Matter Science (CEMS) and a Distinguished University Professor at the University of Tokyo, has made pioneering contributions to the initiation, fundamental progress, and conceptual expansion of supramolecular polymerization.

Aida has also been a leader and advocate for addressing critical environmental issues caused by plastic waste and microplastics in the oceans, soil, and food supply, through the development of dynamic, responsive, healable, reorganizable, and adaptive supramolecular polymers and related soft materials.