Celsia

Celsia can refer to:

Plants

 * Celsia Boehm., nom. illeg., considered a synonym of Colchicum
 * Celsia Heist. ex Fabr., nom. illeg., considered a synonym of Ornithogalum
 * Verbascum, various species, particularly V. bugulifolium, a garden plant formerly known as Celsia bugulifolia

Insects

 * Staurophora celsia, a moth

Other

 * An electricity generation and distribution company owned by Grupo Argos