Infill masonry walls, commonly used as non-structural components in buildings, are highly vulnerable to out-of-plane forces induced by earthquakes. Traditional retrofitting methods, such as the use of steel walers, often face challenges including implementation difficulties, increased structural weight, and architectural incompatibility. This study investigates the out-of-plane seismic performance of non-structural masonry walls using two novel reinforcement techniques: external vertical mesh reinforcement and bed-joint reinforcement with carbon fiber fabrics (FRCM systems). To this end, nine half-scale wall specimens were constructed in three groups control, externally reinforced, and bed-joint reinforced—and tested under cyclic out-of-plane loading using a hydraulic actuator. Evaluated parameters included flexural capacity, initial stiffness, ductility, and response modification factor. Experimental results showed that external vertical mesh reinforcement led to approximately a 302% increase in flexural capacity, while the bed-joint reinforcement method resulted in a 195% improvement compared to the control group. Initial stiffness increased by about 700% and 200% respectively for the two methods, along with notable improvements in ductility and energy dissipation capacity. The comparable seismic performance of the two techniques highlights the practical advantages and reduced technical constraints of the bed-joint method. Overall, the findings suggest that FRCM systems particularly the bed-joint approach offer an effective, lightweight, and practical solution for seismic retrofitting of non-structural masonry walls without adding significant weight or construction complexity.