Last name Notha (Notha 
) , around the globe, is a rare surname. The family name Notha is habitual in Botswana, where it is quite a rare surname, South Africa, where it is a rare surname, and Israel, where it is a very rare surname. Measured by absolute frequency, it is commonest in South Africa, India, and Botswana. Very seldom, Notha is the forename as well as the last name.