A combination type tape dispenser includes a first member having a cutter and a first tape roll mount, and a second member having a second tape roll mount. The first member and the second member is manipulative to be combined and separated. When the first member and the second member are combined, the first member and the second member form a big tape dispenser to mount a big tape roll on the second tape roll mount and cut a tape of the big tape roll by the cutter. When the first member and the second member are separated, the first member forms a small tape dispenser to mount a small tape roll on the first tape roll mount and cut a tape of the small tape roll by the cutter.