Recent advancements in biomaterials have driven tissue engineering and regenerative medicine forward, overcoming limitations of traditional methods in tissue repair and restoration. These biomaterials, classified according to their polymer composition, possess tailored properties ideal for a wide range of regenerative applications. By ensuring biocompatibility and biodegradability, these materials avoid issues of immune rejection and toxicity. Central to tissue engineering, three-dimensional scaffolds provide an optimal environment for cell growth and proliferation. Innovative approaches such as hydrogels and cryogels offer porous structures that support cell migration and tissue regeneration. Whether sourced from natural or synthetic origins, these matrices find extensive use across various tissue engineering domains. Biomaterials demonstrate notable effectiveness in cardiovascular, orthopedic, and dental implant procedures, highlighting their adaptability in medical contexts. Additionally, integrating stem cells with biomaterials presents a promising avenue in regenerative medicine, offering viable alternatives to autologous and allogenic sources. This chapter underscores the versatility of biomaterials in meeting diverse clinical needs. It concludes by emphasizing the importance of ongoing research and innovation in advancing biomaterial-based solutions for regenerative medicine, providing insights into future directions in the field.