Bann may refer to:
Banns of marriage River Bann, in Northern Ireland Bann Rowing Club, Coleraine, Northern Ireland River Bann (Wexford), County Wexford, Ireland Bann, Germany, a municipality in Rhineland-Palatinate, Germany , various ships of Britain's Royal Navy Bann clay, a variety of diatomaceous earth of the Lower Bann valley in Northern Ireland
People Bill Bann (1902–1973), Scottish footballer Blair Bann (born 1988), Canadian volleyball player Stephen Bann (born 1942), British art historian
See also Ban (disambiguation)