Other
- 139P/Väisälä–Oterma, a periodic comet discovered by Yrjö Väisälä and Liisi Oterma
- 1573 Väisälä, a minor planet named for Yrjö Väisälä
- Brunt–Väisälä frequency, the angular frequency at which a vertically displaced parcel will oscillate within a statically stable environment
- Schmidt-Väisälä camera, a type of telescope
- Vaisala (crater), a lunar crater named for Yrjö Väisälä
- Vaisala, Samoa, a village in Samoa
- Vaisala, a Finnish company founded by Vilho Väisälä
This disambiguation page lists articles associated with the title Vaisala.
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