Display panel and display device are provided. The display panel includes a display region, a non-display region surrounding the display region, at least one notch, gate lines, data lines, and first compensation parts. The non-display region includes a first non-display region surrounding the at least one notch. The gate lines include first gate lines. Each of the first gate lines includes a second wiring portion in the first non-display region. The data lines include first data lines. Each of the first data lines includes a second sub-portion and a third sub-portion in the first non-display region. Along a direction perpendicular to a plane of the display panel, the third sub-portions overlap the second wiring portions, and the first compensation parts overlap the second wiring portions and the first data lines. Overlapping portions between the first compensation parts, the second wiring portions, and the first data lines form first compensation units.