Provided is a dental articulator and a dental model fixing pin used for the same. The dental articulator has a base member for molding a dental model for a patient. The base member includes a protrusion bed that is formed on a top face of the base member along a central line in a lengthwise direction of the base member, comes into contact with a plaster dental model placed on the top face of the base member, and has a predetermined height, length, and width. The protrusion bed includes a plurality of pin fixing holes in a middle portion thereof, the plurality of pin fixing holes being spaced apart from one another at regular intervals and passing through an interior of the base member.
