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Rhizobacteria are a group of soil bacteria that inhabit the rhizosphere, the region surrounding plant roots, where they interact with the plants and soil environment. Bacteria are known to promote plant growth, suppress plant pathogens, and improve soil fertility. This review focused on the functions/roles of rhizobacterial communities in agricultural soils and their potentials in sustainable agricultural practices. Agricultural soils are particularly enriched with beneficial rhizobacteria such as Acinetobacter, Arthrobacter, Azospirillum, Azotobacter, Bacillus, Enterobacter, Pseudomonas, Rhizobium, Serratia, and Streptomyces due to the continuous input of organic matter and the presence of plant roots. Rhizobacteria help to reduce over reliance on the use of chemical pesticides and fertilizers, thereby promoting sustainable and environmentally friendly crops production. Though, the abundance of rhizobacteria in soils can be influenced by several factors such as soil type, salinity, pH, moisture, nutrient availability, land use, and management practices, their positive impacts cannot be overemphasized in food production. Therefore, there is the need to fully understand the potential of these bacteria in order to develop effective strategies for their application in agriculture.