- coproduct-complete category
- co-production film
- coproduct of objects
- coprolite
- copropagating waves
- coprophaga
- coprophagy
- coprophilous fungi
- coprostanol
- coprostanol; coprosterol; stercorin
- coprosterol
- COPS
- Cops And Robbers
- copseudo-Euclidean space
- copseudo-Galilean space
- Copson
- COPT
- Coptic Church
- Coptic Congress
- Coptic Museum
- coptisine
- Copts
- cop tube
- copula
- copula function