Astro may refer to:
Entertainment and media
- Astro (South Korean band), a South Korean boy band
- Astro (UB40) (born Terence Wilson) (1957–2021), rapper and member of the British reggae band UB40
- Astro (Chilean band), a Chilean indie rock band
- Astro (Japanese band), a Japanese noise music project
- Astro (album), a 2011 album by Chilean band Astro
- "Astro", a song by The White Stripes from their 1999 debut The White Stripes
- Astro (The Jetsons), a dog character in the cartoon The Jetsons
People with the given name
- Astro (rapper) (born 1996), American actor
- Astro de Ogum (born 1957), Brazilian politician
- Astro Teller (born 1970), British computer scientist
Satellites
- ASTRO (satellite), the Autonomous Space Transport Robotic Operations vehicle, an American technology demonstration satellite
- Project names of astronomy satellites by ISAS (now JAXA)
- ASTRO-A or Hinotori (satellite), a solar X-ray astronomy satellite
- ASTRO-B or Tenma, an X-ray astronomy satellite
- ASTRO-C or Ginga (satellite), an X-ray astronomy satellite
- ASTRO-D or Advanced Satellite for Cosmology and Astrophysics (ASCA), an X-ray astronomy satellite
- ASTRO-E, and ASTRO-EII or Suzaku (satellite), an X-ray astronomy satellite
- ASTRO-F or Akari (satellite), formerly known as IRIS, an infrared astronomy satellite
- ASTRO-G or VSOP-2, a canceled radio astronomy satellite project
- ASTRO-H or Hitomi (satellite), formerly known as NeXT, an X-ray astronomy satellite
Science and medicine
- ASTRO (American Society for Radiation Oncology) or its annual conference
- the Arctic Stratospheric Ozone Observatory (AStrO), now the Polar Environment Atmospheric Research Laboratory (PEARL) in Eureka, Canada
- Astronomy
- Astrobiology
- Astrochemistry
- Astro-geodetic methods, a group of important methods in geodesy, satellite techniques and astrometry
- Astrometry
- Astrophysics
- Astropy
Sports and games
- Astro convention, a contract bridge bidding convention
- Astrodome, a sports venue in Houston, Texas, and the first home of the Houston Astros
- The Houston Astros, a Major League Baseball team
Television services
- Astro (company), All-Asian Satellite Television and Radio Operator, a Malaysian subscription-based multi-channel satellite TV and radio service
- Astro MAX, a former personal video recorder service for Astro (Malaysian satellite television)
- Astro Prima Malaysian pay television channel
- Astro Vaanavil Malaysian pay television channel in Tamil language
- Astro Wah Lai Toi (Astro 華麗台 in Traditional Chinese) a Cantonese television channel, operated by Astro (Malaysia) and HKB (Hong Kong)
- Astro Malaysia Holdings, media holding company
Vehicles
- Chevrolet Astro, a "mid-size" van
- GMC Astro, a cabover tractor-trailer truck made by GMC from 1968 to 1988
- Astro-Gnome, an American automobile
Other
- Adobe Flash Player version 10
- Astrology
- Astro (Motorola), used to describe the digital voice radios produced by Motorola
- Astro navigation, celestial navigation, positional astronomy, navigating by the stars
- Astro yogourt, a Parmalat Canada product
- Amazon Astro, a household robot made by Amazon
- Astro Gaming, American manufacturer of gaming peripherals