Dipole moment may refer to:
- Electric dipole moment, the measure of the electrical polarity of a system of charges
- Transition dipole moment, the electrical dipole moment in quantum mechanics
- Molecular dipole moment, the electric dipole moment of a molecule.
- Bond dipole moment, the measure of polarity of a chemical bond
- Electron electric dipole moment, the measure of the charge distribution within an electron
- Magnetic dipole moment, the measure of the magnetic polarity of a system of charges
- Electron magnetic moment
- Nuclear magnetic moment, the magnetic moment of an atomic nucleus
- Topological dipole moment, the measure of the topological defect charge distribution
- The first order term (or the second term) of the multipole expansion of a function
- The dielectric constant of a solvent; the measure of its capacity to break the covalent molecules into ions