Sierra
- Acme Sierra
- Advanced Aeromarine Sierra
- Cera (disambiguation)
- Cerro (disambiguation)
- Ford Sierra
- GMC Sierra
- High Sierra (disambiguation)
- High Sierra Trail
- Innovative Interfaces
- Jamón serrano
- La Sierra (disambiguation)
- List of ships named Sierra
- NATO phonetic alphabet
- PMC-Sierra
- Pacific sierra
- Serra (disambiguation)
- Serra (surname)
- Sierra (Ecuador)
- Sierra (Peru)
- Sierra (TV series)
- Sierra (film)
- Sierra (group)
- Sierra (magazine)
- Sierra (metal band)
- Sierra (name)
- Sierra (retailer)
- Sierra (song)
- Sierra (supercomputer)
- Sierra Bullets
- Sierra Bullones
- Sierra Club
- Sierra Club Canada
- Sierra College
- Sierra County, California
- Sierra County, New Mexico
- Sierra Entertainment
- Sierra Foothills AVA
- Sierra Highway
- Sierra Leone
- Sierra Madre (Philippines)
- Sierra Madre (disambiguation)
- Sierra Maestra
- Sierra National Forest
- Sierra Nevada
- Sierra Nevada (Spain)
- Sierra Nevada (disambiguation)
- Sierra Nevada National Park (Spain)
- Sierra Nevada National Park (Venezuela)
- Sierra Nevada Observatory
- Sierra Nevada de Santa Marta
- Sierra Sky Park Airport
- Sierra Valley
- Sierra de Juárez
- Sierra de San Pedro Mártir
- Sierra de las Nieves
- Sierra mountains (disambiguation)
- Sierre
- Some Change
- Tata Sierra
- The Ugly Organ