<p>Metal-based biomimetic materials replicate nature’s structural designs. These materials demonstrate superior tribological performance over conventional alloys. This review examines recent advances in bioinspired metallic systems. We analyze multiscale structural innovations: micro-textured, massive, and composite designs. Advanced fabrication techniques are highlighted, including laser processing, electrodeposition, and 3D printing. We decode natural design principles from shark skin and shell layering. This establishes mechanistic frameworks for friction-wear optimization. Integration of surface engineering and biomechanics enables self-adaptive material development. Enhanced lubrication strategies are elucidated. Key applications include aerospace bearings, artificial joints, and high-temperature coatings. Our synthesis connects materials science with biomechanics. It advances next-generation tribological solutions while addressing critical mechanistic knowledge gaps.</p> Graphical Abstract <p></p>