CCGS Edward Cornwallis, a ship of the Canadian Coast Guard

Charles Cornwallis, 1st Marquess Cornwallis (1738-1805), British general during the American Revolution, and governor-general of India

William Cornwallis (1744-1819), a British admiral during the Napoleonic Wars

CFB Cornwallis, a former Canadian Forces Base

Dauan Island - formerly known as Cornwallis Island. See List of Torres Strait Islands

Frederick Cornwallis (1713-1783), Archbishop of Canterbury

Edward Cornwallis (1713-1766), British colonialist and founder of Halifax, Canada

Cornwallis is the name of an aristocratic English family, the Barons Cornwallis Notable members of the family include:

Little Cornwallis Island, Nunavut, Canada

George Cornwallis-West, stepfather of Winston Churchill

Cornwallis, Manitoba (rural municipality), Canada

Cornwallis Island, Nunavut, Canada

Cornwallis, Nova Scotia, Canada

William Cornwallis Symonds, a British officer in New Zealand

Charles Cornwallis, 3rd Baron Cornwallis (1655-1698), who served as First Lord of the Admiralty

Cornwallis Junior High School in Halifax, named for Edward Cornwallis

Sir William Cornwallis, a British essayist

Thomas Cornwallis (1605-1675) - one of the first commissioners of the Province of Maryland (brother of Sir William)

Cornwallis, a briefly seen character who is a child of Mr. Hanky on the television show South Park.

HMS Cornwallis, a number of ships of the Royal Navy