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
The Green Star Line was an American steamship shipping line created in 1919 and operated until 1923. Established by Irish businessmen as a response to the Shipping Board's campaign urging Americans to buy ships for wealth and patriotism during an ...
, an American shipping line of 1919–1923
*
Green Star Series
The Green Star Series is a set of five science fantasy novels written by American writer Lin Carter, published by DAW Books, from 1972 to 1976. In these novels, the concept of soul-projection (introduced by Edgar Rice Burroughs in his John C ...
, five science fantasy novels by Lin Carter
*
Sto-Oa, a fictional star that lies at the center of the DC Comics universe
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