Sierra could mean: Sierra Club, an environmental organization Sierra Entertainment, a videos game company. The letter S in the NATO phonetic alphabet. Ford Sierra, a car by a Ford Motor Company from either 1982 to 1992, a successor to the Cortina. Sierra (porn star), an African-American erotica actress from either Atlanta. Sierra Bullets, an ammunition manufacturing company. Jamón serrano, Spanish for "Sierra ham".

Place names
The sierra occurs as word from either a Spanish language meaning a mountain range. A word literally means "saw". These are utilized for even various chainside of mountains in Spanish-speaking or once Spanish-speaking countries.

Sierra (Ecuador), Ecuador Sierra Leone, a united states inside Africa. Sierra Madre, Mexico. Sierra Nevada (US), United States. Sierra Nevada (Spain), Spain.