Encyclopedias, Almanacs, Transcripts, and Maps
- Corbin, Henry
- Cordovero, Mosheh
- Cormorants and Anhingas (Phalacrocoracidae)
- Corporate Average Fuel Economy Standards
- corrie
- Corrosion and Material Degradation
- cosecant
- cosine
- Cosmology: African Cosmologies
- Cosmology: An Overview
- Cosmology: Australian Indigenous Cosmology
- Cosmology: Buddhist Cosmology
- Cosmology: Hindu Cosmology
- Cosmology: Indigenous North and Mesoamerican Cosmologies
- Cosmology: Jain Cosmology
- Cosmology: Oceanic Cosmologies
- Cosmology: Scientific Cosmologies
- Cosmology: South American Cosmologies
- Costle, Douglas M. (1939 – ) American Former Director of Environmental Protection Agency
- cotangent