We fabricated a terahertz (THz) band-pass filter using multilayer ceramic technology. The filter design is based on an interference multilayer filter composed of three resonant cavities. The filter exhibited insertion loss as low as 1.5 dB at a center frequency of 0.15 THz. The bandwidth of the passband was modified by changing the optical length of the cavity. A demonstrated tuning of the full width at half maximum (FWHM) ranged from 12.5 to 6.9%. No significant change in transmission intensity was observed when the optical length of the cavity was changed. At a frequency of approximately 0.8 THz, filter insertion loss increased from 1.5 to 6 dB. The influence of dielectric losses of the ceramic materials on the filter insertion loss is also discussed.