Provided is a zoom lens including, in order from an object side to an image side: a positive first lens unit having two positive lenses and a negative lens; a negative second lens unit having positive and negative lenses; a positive third lens unit; and a rear group including lens unit, wherein: with respect to a wide angle end, at a telephoto end, intervals between the first and second lens units, the second and third lens units, and the third lens unit and the rear group respectively change; and a focal length and an Abbe number of a material of the positive lens of the first lens unit that has a largest Abbe number among positive lenses, a refractive index and an Abbe number of a material of the positive lens of the second lens unit, and a focal length of the first lens unit are set appropriately.