Nanobiosensors represent a growing field in science community with the capacity to transform multiple industries like medicine, energy, electronics, agriculture, and environmental management. This sophisticated technique combines nanotechnology and microorganisms to create novel materials that possess unique properties and functionalities. Microbial nanotechnology has added a biomolecule covering layer to the top of microbial biosynthetic nanoparticles. These nanoparticles have shown promising results in drug delivery, medical diagnostics, cancer therapy, and agroecosystems Recent advancements in science and technology indicate that nanobiosensors produced from microbial nanomaterials can be biocompatible, cheap, and easy-to-make. The immense potential of microbial nanotechnology makes it an attractive and bright field of study with considerable implications across all areas.