Blight (disambiguation)

Blight may refer to:
 * Potato blight:
 * Late blight (Phytophthora infestans) - An oomycete or water mold that causes the serious potato disease
 * Early blight (Alternaria solani) - A fungal pathogen, producing a disease in tomato and potato plants
 * Halo blight (Pseudomonas amygdali pv. phaseolicola) - a bacterial blight disease in legumes.