Astra can mean:

• the former pharmaceutical company, "Astra AB", which merged with "Zeneca Group PLC" to form AstraZeneca in 1999
• Astra Company - a British arms merchant
• SES Astra - a company operating the Astra satellite system
• Astra , a band led by guitarist Dave Ellis
• Astra brand beer from brewery Holsten in Germany see http://www.astra-bier.de
• the Greek godess Astra
• the Spanish gun manufacturer Astra see List of Spanish companies
• an initialism for the Australian Subscription Television and Radio Association see http://www.astra.org.au/home.asp
• Astra a 1990 musical composition by Charles Wuorinen
• Astra , a music recording label known active in 1999 based on A Bao A Qu
• the Marvel comics character Astra
• A type of nuclear research reactor built in Seibersdorf , Austria. The acronym stands for Adaptierter Schwimmbecken-Typ-Reaktor Austria (Adapted waterpool-type-reactor Austria). See Astra (reactor) .
• A type of beyond the visual range missile under development by India under IGMDP.

Astra was also the brand name of four different automobiles:

• Astra (1920 automobile), the American version
• Astra (1922 automobile), the French version
• Astra (1956 automobile), the English version
• General Motors Astra (1979- date), also known as the Vauxhall Astra, Opel Kadett, Holden Astra, Chevrolet Astra and several other names. see article