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Viscose rayon filaments were used as reinforcement in the chitosan matrix (dissolved in acetic acid) to create a truly green composite. Unidirectional composites with different weights of viscose rayon filament were fabricated. The composite material was characterized by tensile strength, FTIR, TGA, XRD, and SEM. The tensile strength of the biocomposite increased (43.81%), and elongation % decreased (11.42%) with an increase in reinforcement loading. FTIR spectra of biocomposites confirmed strong hydrogen bonding between chitosan and hydroxyl groups of viscose rayon. The SEM micrograph indicated that the viscose rayon filament was fully surrounded by the matrix, and hence a strong composite was fabricated.