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In the world, साधु (Sadhu , Sadu , Sadh ) is a widespread predominantly male, but scarcely girly first name. The forename साधु is habitual in India, where it is quite a common predominantly masculine, but very infrequently girly name, Equatorial Guinea, where it is quite a rare boy's name, and Qatar, where it is quite a rare mostly boy's, but seldom girly name. In absolute terms, the name is most common in India, Nigeria, and Pakistan. Likewise, साधु is the last name as well as the forename.