Green star

Green star may refer to:


 * One of the Esperanto symbols, the green star, or verda stelo
 * Green Star (Australia), an environmental rating system for buildings in Australia
 * Green Star Express, a bus company in the Philippines
 * Green Star Media, a British publishing company
 * Green Star Line, an American shipping line of 1919–1923
 * Green Star Series, five science fantasy novels by Lin Carter
 * Sto-Oa, a fictional star that lies at the center of the DC Comics universe
 * Michelin Green Star, an award for restaurants with sustainable practices.