All over the world, Dagni (Dagni 
) is a rare mostly female, but infrequently male forename. The given name Dagni is characteristic of Latin America and the Caribbean, particularly Cuba, where it is a rare girly name, Peru, where it is a rare epicene name, and Mexico, where it is a very rare gender-neutral name. Measured by absolute frequency, it most frequently occurs in Cuba, India, and Peru. Likewise, Dagni is the last name as well as the forename.