Esker (disambiguation)

An esker is a ridge of sand and gravel.

Esker may also refer to:
 * An eschar, slough or dead tissue
 * Esker, Iran, a village in Kerman Province, Iran
 * Esker, County Tyrone, a townland in County Tyrone, Northern Ireland
 * Esker, County Galway, a townland in East Galway
 * Esker, Wisconsin, an unincorporated community
 * Esker SA, a French software company