An adhesive tape dispenser includes a fixed base forming a first cavity in which a movable carrier is removably received. The movable carrier defines a second cavity in which a roll of adhesive tape is rotatably received. The base is provided with a first cutter to cut off a length of tape unwound from the roll when the carrier is retained in the base. The carrier is provided with a second cutter to cut off a length of tape when the carrier is separated from the base to individually serve as a tape applicator.