![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up lasn in Wiktionary, the free dictionary.
Lasn is an Estonian surname. Notable people with the surname include:
- Juhan Lasn (1861–1930), Estonian politician
- Kalle Lasn (born 1942), Estonian-Canadian film maker, author, magazine editor, and activist