An exposure head, includes: a lens array that includes a light transmissive substrate whose length in a first direction is greater than a length thereof in a second direction orthogonal to the first direction, a first lens that is arranged on the light transmissive substrate, and a second lens that is arranged on the light transmissive substrate at the first direction of the first lens, the first lens and the second lens being connected in the first direction; and a head substrate that is provided with a first light emitting element that emits a light toward the first lens and a second light emitting element that emits a light toward the second lens.