Covariance (disambiguation)
- Autocovariance
- Covariance
- Covariance and contravariance (computer science)
- Covariance and contravariance (disambiguation)
- Covariance and contravariance of functors
- Covariance and contravariance of vectors
- Covariance and correlation
- Covariance function
- Covariance matrix
- Covariant transformation
- Eddy covariance
- General covariance
- Lorentz covariance
- Poincaré covariance
- Variable (mathematics)