Look up heir in Wiktionary, the free dictionary.
An heir (fem. heiress) is one who inherits.
Heir may also refer to:
- Heir apparent, the first in line to a throne or other title, who cannot be displaced by birth of another heir
- Heir presumptive, the current first in line to a title
- Heirs of the line, heirs in the line of succession
- Heirs of the body, descendants of a particular person who are entitled to inherit a title or property