Dufferin, Dyffryn or Duffryn may refer to:

Places

In Burma Fort Dufferin, the British name for Mandalay Palace during their colonial rule

In Canada

British Columbia Dufferin Island, Dufferin, neighbourhood of the city of Kamloops, from 1971 to 1973 a separate municipality

Manitoba Dufferin (Manitoba provincial electoral district) Fort Dufferin, a National Historic Site Rural Municipality of Dufferin

New Brunswick Dufferin Parish, a civil parish east of St. Stephen, New Brunswick Dufferin Hotel, a former hotel in Saint John, New Brunswick

Nova Scotia Port Dufferin, a small community near Halifax

Ontario Dufferin Bridge, a community in Magnetawan Dufferin County Dufferin (federal electoral district), a federal electoral district in Ontario, abolished in 1924 Dufferin Islands, a group of man-made islands near Niagara Falls Dufferin Street in Toronto Dufferin (TTC), a subway station on the street

Quebec Terrasse Dufferin, a broad terrace wrapping around much of old Quebec City

Saskatchewan Rural Municipality of Dufferin No. 190, Saskatchewan

In the United Kingdom

Northern Ireland Dufferin (barony), County Down

Wales Dyffryn is Welsh for 'valley'. Duffryn, a housing estate in Newport Dyffryn, Bridgend Dyffryn Cennen, Carmarthenshire Dyffryn, Ceredigion Dyffryn, Pembrokeshire Dyffryn, Vale of Glamorgan Dyffryn Gardens Dyffryn Cellwen, Neath Port Talbot Dyffryn Clydach, Neath Port Talbot

People Baron Dufferin and Claneboye, title in the Peerage of Ireland Dufferin Roblin (1917–2010), Canadian businessman and politician, 14th Premier of Manitoba Frederick Hamilton-Temple-Blackwood, 1st Marquess of Dufferin and Ava (1826–1902), known as Lord Dufferin, Governor-General of Canada and Viceroy of India

Bridges Dufferin Street bridges in Toronto, Ontario, Canada Malviya Bridge over the Ganges at Varanasi, India, originally named the Dufferin Bridge.

Ships

HMIS Dufferin, a Royal Indian Marine ship active in World War I Training Ship Dufferin, a training ship based in Mumbai, renamed Training Ship Chanakya