Biomass utilization is the academic field and applied research concept concerned with the processing, conversion, and sustainable deployment of organic biological materials, or biomass, into valuable products such as bioenergy, biofuels, biochemicals, and biomaterials. This interdisciplinary domain investigates the development and optimization of physical, chemical, and biological pathways for resource efficiency, waste valorization, and the establishment of a bio-based economy, assessing techno-economic feasibility and environmental sustainability.