A pipe or conduit labeler includes a saddle leg having an inside diameter equal to or slightly smaller than an outside diameter of a pipe or conduit to be labeled. The saddle leg is molded to a saddle stem which in turn is molded to a sign plate. A user either writes useful information directly on the sign plate or affixes a pre-made label to the plate. The sign plate optionally includes raised lettering or information such as an arrow pre-molded on the plate; or Braille characters. The labeler resiliently clips onto the pipe or conduit being labeled. More complex variations of the labeler include extending arms and moveble joins, enabling the identification of pipes or conduits which are at difficult angles or out of direct sight of a user. The labeler allows for quickly and clearly labeling pipes, conduit, tubes, and rods. The labeler can be mass produced as a single mold or in parts with different sign plates of varying size and construction. The sign plate provides a flat surface for writing. The labeler can be temporary, removable, or made permanent simply by applying an adhesive to the saddle portion prior to affixing the labeler.