Questar may refer to:
*
Questar Corporation, telescope manufacturer
*
Questar Corporation (gas company), natural gas-focused energy company
*Questar, cartoon character leader of the Valorians in
Dino-riders
*
Questar Science Fiction
Hachette Book Group (HBG) is a publishing company owned by Hachette Livre, the largest publishing company in France, and the third largest trade and educational publisher in the world. Hachette Livre is a wholly owned subsidiary of Lagardère Gro ...
, publisher of science fiction
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Bull Questar
In information technology, Questar computer terminals are a line of largely 3270-compatible text-only dumb terminals manufactured by Groupe Bull and widely used in France and some other markets. The terminals combine standard 3270 emulation with ...
, Honeywell-Bull brand of mainframe terminals
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