Ardeer can refer to:
- Ardeer, Scotland - An area of North Ayrshire near the coast of Scotland, most famous as the home of Nobel Industries, originally established by Alfred Nobel.
- Ardeer Platform railway station in the area of the same name in Scotland.
- Ardeer, Victoria - A suburb in Melbourne, Victoria, Australia, named after the original Scottish location.
- Ardeer railway station, Melbourne in the suburb of the same name in Melbourne.