Smoothing (disambiguation)

Smoothing is the reduction or elimination in the roughness or unevenness of a surface or other thing.

Smoothing may refer to:
 * Smoothing, a type of statistical technique for handling data
 * Smoothing (phonetics)
 * Image smoothing
 * Relaxation (iterative method), iterative smoothing of solutions and errors in computational science
 * The Smoothing problem in stochastic processes. See Smoothing problem (stochastic processes)