- The capital and largest city of Nova Scotia, Canada, in the south-central part of the province on the Atlantic Ocean. Founded by the British in 1749, it served as an important naval base in the American Revolution, the War of 1812, World War I, and World War II.
- A town of northeast England northeast of Manchester. It is an industrial center.
Halifax is believed to be a descendant of Old English hāliġfeax (literally “holy hair”). The town is said to have received the name from the fact that the hair of a murdered virgin was hung up on a tree in the neighborhood, which became a resort of pilgrims. Compare also Fairfax.