Riemannian
- Bernhard Riemann
- Hugo Riemann
- List of topics named after Bernhard Riemann
- Neo-Riemannian theory
- Pseudo-Riemannian manifold
- Riemann curvature tensor
- Riemannian Penrose inequality
- Riemannian bundle metric
- Riemannian circle
- Riemannian connection
- Riemannian connection on a surface
- Riemannian geometry
- Riemannian holonomy
- Riemannian manifold
- Riemannian metric
- Riemannian submanifold
- Riemannian submersion
- Riemannian symmetric space
- Riemannian volume form
- Sub-Riemannian manifold