Peerage

• Earl of Dalhousie, a title created in the Peerage of Scotland in 1633
• Clan Ramsay (Dalhousie), a branch of the main line of Scottish Ramsays

Individuals

• James Broun-Ramsay, 1st Marquess of Dalhousie, the Governor-General of India

Buildings and structures

• Dalhousie Castle, a castle near Bonnyrigg, Scotland .
• Dalhousie House, a house in Monifieth High School.
• Dalhousie Obelisk, a monument in Empress Place, Singapore.

Communities

Australia

• Dalhousie Springs, Central Australia, home of a natural artesian spring.

Canada

• Dalhousie, New Brunswick, a town in northern New Brunswick.
• Dalhousie, Calgary, a neighbourhood in Calgary.
• Dalhousie, Québec, a small town in south-western Québec.

India

• Dalhousie, India, a town in Himachal Pradesh.
• Dalhousie Cantonment, a cantonment town in Himachal Pradesh.

Sri Lanka

• Dalhousie, Sri Lanka, a town in Nuwara Eliya District.

Institutions

• Dalhousie University a Canadian university in Halifax, Nova Scotia.