Family name Witu (Witold 
, วิทู 
, Witu 
) , across the world, is a widespread surname. The last name Witu is characteristic of Poland, where it is a common surname, Israel, where it is a rare surname, and Spain, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Poland, Indonesia, and Spain. Much less frequently, Witu is the forename as well as the last name.