A display device includes a display panel including a first display region in which a plurality of first data lines are positioned and a second display region adjacent to the first display region in which a plurality of second data lines are positioned, a first data driver and a second data driver in a non-display region of the display panel, a plurality of first fan-out lines connected to the first data driver and including a plurality of 1_1-th fan-out lines connected to the plurality of first data lines and a plurality of 1_2-th fan-out lines connected to the plurality of second data lines, and a plurality of second fan-out lines connected to the second data driver and including a plurality of 2_1-th fan-out lines connected to the plurality of second data lines and a plurality of 2_2-th fan-out lines connected to the plurality of first data lines.