This study presents an experimental analysis of the mechanical properties of high silica fiber glass-SiO2 nano particle hybrid composite materials. The objective of this research was to investigate the effect of nano particle content on the mechanical properties of the composite materials. The composite materials were prepared by mixing high silica fiber glass and SiO2 nano particles at different weight percentages. The resulting materials were characterized for their tensile strength, hardness, and impact resistance. The results showed that the addition of SiO2 nano particles led to an improvement in the mechanical properties of the composite materials. The study concluded that the high silica fiber glass-SiO2 nano particle hybrid composite materials have the potential to be used in aerospace and automobile industries.