Nothomb may refer to:

People

• Charles-Ferdinand Nothomb

• Jean-Baptiste Nothomb

• Jean-François Nothomb (1919-2008), Belgian escape line leader, World War II

Patrick Nothomb

• Amélie Nothomb

• Juliette Nothomb

• Pierre Nothomb

Other

• , municipality in Belgium

• , a tributary of the Attert