Stadia may refer to:
- One of the plurals of stadium, along with "stadiums"
- The plural of stadion, an ancient unit of distance
- Stadia (Caria), a town of ancient Caria, now in Turkey
- Stadia mark, marks on a telescopic sight's reticle that permit stadiametric rangefinding or altitude measurements
- Stadia rod, a related surveying tool used with telescopic based survey instruments
- Stadiametric rangefinding, a way of measuring distance using a telescope and triangulation
- Helsinki Polytechnic Stadia, a multidisciplinary institution of higher education in Finland
- Google Stadia, a video game streaming service launched in 2019
See also
- All pages with titles containing Stadia
- Stadion (disambiguation)
- Stadium (disambiguation)