A deposition mask includes: a mask body having two or more first through-holes; and a support disposed on the mask body and having a second through-hole located at a position overlapped with the first through-holes in a plan view. The mask body has a first surface located on an opposite side of a side of the support, and a second surface located on the side of the support. An outermost circumference first through-hole, which is located on an outermost circumference in a plan view of the two or more first through-holes located at the position overlapped with the second through-hole in a plan view, includes a first point which is a center of the outermost circumference first through-hole in a plan view; the second through-hole includes a second point on an outline of the second through-hole, the second point being nearest to the first point.