Last name Twas (Twas 
) , throughout the world, is a very rare family name. The last name Twas is habitual in New Zealand, where it is a very rare surname, Israel, and South Africa, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Nigeria, New Zealand, and South Africa. More frequently, Twas is the forename as well as the last name.