Kalm
Kalm is a surname. Notable people with this surname include:
- Chet Kalm, American painter, teacher, and illustrator
- Hans Kalm, Estonian soldier who served in the armies of Russian Empire, Finland and Estonia
- Pehr Kalm, Finnish explorer, botanist, naturalist, and agricultural economist
- Sebastian Kalm, professional rugby union player
- Volli Kalm, Estonian geologist and rector of the University of Tartu