Knol, Nowl, or KNOL may refer to:
People edit
- As a given name
- As a family name
- Ankie Broekers-Knol (born 1946), Dutch politician, president of the Dutch Senate
- Monique Knol (born 1964), Dutch cyclist
- Ruud Knol (born 1981), Dutch football player
- Tim Knol (born 1989), Dutch singer-songwriter
- Enzo Knol (born 1993), Dutch video blogger