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Chitinases are a diverse group of enzymes that degrade chitin, which is a significant cell wall component of fungi, insects, and crustaceans. Chitin is a naturally occurring linear polymer made up of N-acetylglucosamine (NAG) monomers joined by β-1,4 glycosidic linkages and shares structural similarities with cellulose. The presence of the acetyl group in the chitin monomer makes chitin more resistant to enzymatic breakdown. Chitin can be utilized as an organic substrate to produce bioethanol by utilizing chitinolytic enzymes that convert chitin into NAG which can be used as a source of carbon and nitrogen for microorganisms. The principal constraints in the production of biofuel from chitin are costlier extraction techniques, poor yield, and environmental issues. However, chitinolytic enzymes in biofuel production are a promising strategy that could lead to the creation of more efficient and sustainable biofuel …