The present invention provides a lancet holder that can smoothly and accurately hold all of lancets with different cross-sections and diameters and can keep them vertical, and a lancet device including the lancet holder.To this end, a lancet holder according to an exemplary embodiment of the present invention includes a holder body having a lancet seat at one end to mount a lancet and receiving the lancet and elastic fixing portions arranged in pairs to face each other on the inner side of the holder body so that the lancet received in the holder body is vertically held, and elastically fixing the lancet.According to this configuration, the lancet holder can accurately keep all of lancets vertical, even if the lancets are different in cross-section and diameter, such that the lancet can be mounted on the lancet holder and protrude at a predetermined length in releasing and the lancet needle can vertically protrude through the through-hole of the cover and damage only a predetermined target portion of a subject.