White rust

White rust may refer to:


 * Albugo candida, a type of plant pathogen known as "white rust"
 * Albugo occidentalis, white rust of spinach
 * Wilsoniana bliti, a type of plant pathogen known as "white rust"
 * Wet storage stain, a type of corrosion on zinc products
 * Puccinia horiana, causative agent of Chrysanthemum white rust, a plant disease