Diamond Star may refer to:
Diamond-Star Motors (DSM), an automobile-manufacturing joint-venture Diamond DA40 (Diamond Star), an aircraft Diamond DA42 (Diamond Twin Star), an aircraft Diamond DA50 (Diamond Super Star), an aircraft Diamond Star, Arizona, original name of Star Valley, a town in Gila County, Arizona, United States BPM 37093 (V886 Centauri), a variable white dwarf star with a core of crystallized carbon Title of a CD by Point Valid Maricel Soriano, Filipino actress known as "The Diamond Star" Srinagara Kitty (born 1977), Indian actor, nicknamed "Diamond Star"
See also Earth Star Diamond