This chapter delves into the synthesis and chemical properties of various bio-based foam sorbents, highlighting their potential for commercialization. It presents a detailed examination of the unique properties exhibited by these sorbents, discussing the innovative materials and processes used in their creation. The chapter is structured around two primary categories of bio-based foam sorbents: those derived from vegetable oils and those derived from biomass. Each section provides a comprehensive overview of the specific materials, synthesis methods, and the resulting properties of the foams, emphasizing their competitive advantages in the marketplace.