This paper presents the investigations of thermo mechanical and free vibration properties by reinforcing halloysite nanotube (HNT) with various weight proportions (0,2,4,6,8, and 10wt%) in glass fiber reinforced epoxy (EP/GF/HNT) nanocomposites. Theoretical study was also carried out to study the vibration characteristics of EP/GF/HNT nanocomposites. It was found that the addition of HNT improved the thermo-mechanical and damping properties. Dynamic mechanical analysis showed an increase in the storage modulus and glass transition temperature up to 4wt% of HNT. Vibration analysis proved that the addition of HNT enhanced the internal damping and increased the natural frequency up to 4wt%.