Astra may refer to:
- Astra (1920 automobile), built by American company Dorris Motors
- Astra (1922 automobile), French cyclecar made by E Pasquet
- Astra (1930 automobile), shown by Belgian company Automobiles Astra, but never produced
- Astra (1954 automobile), built by British Anzani until 1959
- Vauxhall Astra, British GM brand since 1979, originally a version of the Opel Kadett
- Holden Astra, Australian version of the Nissan Pulsar, 1984–1989; version of the Opel Astra since 1995
- Opel Astra, produced since 1991; also known as the Chevrolet Astra and Saturn Astra
- Astra (company), Italian truck manufacturer, a subsidiary of IVECO
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