 Recent research on natural fibers polymeric composites focuses on characterizing and comparing their mechanical behavior and application performance with conventional composites, highlighting the diverse properties of various natural fibers that influence their use in specific industrial applications due to their natural origin, making it challenging to select the appropriate fiber for a particular application. A comprehensive review of natural fibers properties as composite materials reinforcement is presented, positioning each type of fiber in several properties, while also reviewing recent work on emerging types of fibers and discussing future trends and required developments to expand their applications. This article was authored by Paolo Pekis, Hugo Carvalho, Hafiz Salman and others.