Formulations of human amniotic fluid and methods of use thereof for treatment of lung disorders, and/or injuries have been developed. The formulations are suitable for topical delivery to the lung for treatment of lung disorders including chronic obstructive pulmonary disorders (COPD), asthma, emphysema, bronchiectasis, chronic bronchitis, interstitial lung disease, alpha-1 antitrypsin emphysema, as well as for treatment of acute lung injuries. Methods including administering specifically formulated, diluted sterile de-cellularized human amniotic fluids topically to the lungs, preferably as aerosol droplets, are described. In particular, the methods involving administration of the amniotic fluid formulation in the form of aerosol droplets with size between about 1.5 μm to about 5 μm, preferably from about 2.5 μm to about 3.5 μm, inclusive, using apparatus such as high-efficiency vibrating mesh nebulizers, are described. Formulations described can treat, or prevent one or more symptoms of a chronic lung disorder.