All over the world, 沢 (Sawa 
, 沢 
) is a common epicene given name. The first name 沢 is habitual in Japan, where it is quite a rare girly name, Cameroon, where it is quite a rare masculine name, and Nigeria, where it is quite a rare dominantly male, but uncommonly girly name. In absolute terms, it is commonest in Japan, India, and Nigeria. Also, 沢 is the last name as well as the forename.