The Schiff base complexes Zr(IV) and Th(IV) of furan 3-carboxaldehyde and 3-amino pyridine were synthesized and characterized by elemental analysis, conductivity measurements, infrared spectral measurements, XRD and antibacterial studies. The conductance measurements indicate that all the complexes are non-electrolytes. The results indicate that the metal complexes of Zr(IV) and Th(IV) are octacoordinated and have moderate antibacterial activity.