Douglas

• Douglas (parrot), macaw that starred as the parrot Rosalinda in Pippi Longstocking
• Douglas the camel, a camel in the Confederate Army in the American Civil War

• Douglas Aircraft Company
• Douglas (cosmetics), German cosmetics retail chain in Europe
• Douglas Holding, former German company
• Douglas (motorcycles), British motorcycle manufacturer

• Duke of Douglas
• Earl of Douglas, or any holder of the title
• Marquess of Douglas, or any holder of the title
• Douglas baronets

• Clan Douglas, a Scottish kindred
• Dougla people, West Indians of both African and East Indian heritage

Australia

• Douglas, Queensland, a suburb of Townsville
• Douglas, Queensland (Toowoomba Region), a locality
• Port Douglas, North Queensland, Australia
• Shire of Douglas, in northern Queensland

Canada

• Douglas, New Brunswick
• Douglas Parish, New Brunswick
• Douglas, Ontario, a community in Admaston/Bromley township
• Douglas, British Columbia, the community at the Peace Arch border crossing
  • Douglas, the Canadian inspection station of the Peace Arch Border Crossing
• Douglas, Manitoba, a settlement in the Rural Municipality of Elton
• Rural Municipality of Douglas No. 436, Saskatchewan

Isle of Man

• Douglas, Isle of Man, the capital city and largest settlement of the Isle of Man, and seat of Tynwald
• River Douglas (Isle of Man)

New Zealand

• Douglas, Taranaki
• Douglas, Canterbury
• Douglas Peak

United Kingdom

England

• Douglas (ward), an electoral ward of the Wigan Metropolitan Borough Council
• River Douglas, Lancashire

Northern Ireland

• Douglas, County Antrim, a townland in County Antrim
• Douglas, County Tyrone, a townland in County Tyrone

Scotland

• Castle Douglas, Dumfries and Galloway
• Douglas, South Lanarkshire
• Douglas Castle, South Lanarkshire
• Douglas Water, South Lanarkshire
• Glen Douglas, Argyll and Bute
• Douglas, Dundee

United States

• Douglas, Alabama
• Douglas, Juneau, Alaska
• Douglas, Arizona
• Douglas, Georgia
• Douglasville, Georgia
• Douglas, Illinois (disambiguation), multiple places with the same name
• Douglas, Massachusetts
• Douglas, Michigan
• Douglas, Minnesota, an unincorporated community in Olmsted County
• Douglas, Nebraska
• Douglas, North Dakota
• Douglas, Ohio
• Douglas, Oklahoma
• Douglas, Washington
• Douglas, West Virginia
• Douglas, Wisconsin, a town
  • Douglas Center, Wisconsin, an unincorporated community
• Douglas, Wyoming

Elsewhere

• Douglas, Belize
• Douglas, South Africa
• Douglas, Cork, a suburb of Cork City, Ireland
• Douglas, Falkland Islands
• Donguila, also known as Douglas, a village in Estuaire Province, Gabon

• Douglas iris, a wildflower
• Douglas fir, the common name for a type of coniferous tree

• SS Douglas (1858), a paddle-steamer of the Isle of Man Steam Packet Company which subsequently served military roles
• SS Douglas (1864), the second steamer in the fleet of the Isle of Man Steam Packet Company to bear the name
• SS Douglas (1889), a packet steamer formerly called Dora, acquired in 1901 by the Isle of Man Steam Packet Company
• SS Douglas (1907), a freight vessel built for the Clyde Shipbuilding and Engineering in Port Glasgow for Goole Steam Shipping Company

• Douglas (film), a 1970 Norwegian film
• Douglas (locomotive), a preserved locomotive on the Talyllyn Railway in Wales
• Douglas GAA, a Gaelic Athletic Association club from Douglas, Cork, Ireland
• Hannah Gadsby: Douglas, a 2019 live comedy performance by Australian comedian Hannah Gadsby
• Donald and Douglas, a pair of fictional Scottish twin engines from Thomas the Tank Engine and Friends
• Hurricane Douglas, seven northeastern Pacific Ocean tropical cyclones