- Hartmann flow
- Hartmann method
- Hartmann number
- Hartmann test
- Hartmut Esslinger
- Hartmut Michel
- Hartogs
- Hartogs continuation theorem
- Hartogs domain
- Hartogs function
- Hartogs-Laurent series
- Hartogs-Osgood theorem
- Hartogs phenomenon
- Hartogs theorem
- Hartogs theorem of continuity
- Hartogs theorem of holomorphy
- HartRAO
- Hartree
- Hartree approximation
- Hartree energy
- Hartree exchange method
- Hartree exchange method, HX method
- Hartree field
- Hartree Fock approximation
- Hartree-Fock approximation