Last name Томоно (Tomono 
, 伴 , Томоно 
) , all over the world, is quite a common family name. The last name Томоно is characteristic of China, where it is a rare surname, Hong Kong, and Singapore. Not in comparison with a country's population, the name is most common in China, the United States, and Japan. Also, Томоно is the forename as well as the last name.