Splitting

Splitting may refer to:
 * Splitting (psychology)
 * Lumpers and splitters, in classification or taxonomy
 * Wood splitting
 * Tongue splitting
 * Splitting, railway operation

Mathematics

 * Heegaard splitting
 * Splitting field
 * Splitting principle
 * Splitting theorem
 * Splitting lemma
 * for the numerical method to solve differential equations, see Symplectic integrator