Formulas
- Eisenstein–Kronecker number
- Hensel's lemma
- Henselian ring
- Herbrand quotient
- Herbrand–Ribet theorem
- Hereditarily finite set
- Hereditary C*-subalgebra
- Hereditary ring
- Hermann Nicolai
- Hermite's cotangent identity
- Hermite's identity
- Hermite's problem
- Hermite number
- Hermitian Yang–Mills connection
- Hermitian manifold