Znak can refer to:
- Znak (association)
- Znak (publisher)
- Znak Ltd.
- Two letters (signs) in the Russian alphabet, Hard sign and Soft sign
- Znak.com , a former Russian news site
- "Znak", a song by Ewa Farna
Znak is the name of:
- Marina Znak (*1961), Belarusian rower
- Maxim Znak, Belarusian activist and lawyer, member of the Coordination Council (Belarus)