Other
- Sima (office) (司马), the Chinese title roughly equivalent to "field marshal" whence the surname arose
- Sima (geology), the lower part of the Earth's crust
- Sima (architecture), the upturned edge of a classical roof
- Sima (mead), a mead from Finland
- Sydney Improvised Music Association, an Australian musical association
- SIMA Peru, a shipbuilding and maritime services company in Peru
- Independent Union of Maritime and Related Workers (SIMA), in Angola
- Sima, the name for Sadza porridge in the Chichewa language of Malawi
- Sima Hydroelectric Power Station
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