A transparent display device may reduce or minimize deterioration of light transmittance, which is caused by a repair line. The transparent display device comprises a first repair line extended in a first direction along a first side of a first transmissive area, a second repair line extended in a second direction along a second side of a second transmissive area disposed to be adjacent to the first transmissive area, a third repair line extended in the first direction along a third side facing the first side of the first transmissive area, and a fourth repair line extended in the second direction along a fourth side facing the second side of the second transmissive area.