Surname Jahna (Jahna 
) , in the world, is a rare last name. The family name Jahna is characteristic of Czechia, where it is a rare surname, Austria, and Germany, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in India, the United States, and Germany. More frequently, Jahna is the forename as well as the last name.
Dei, Jones, Nayak, Muduli, Cannon, Behera, Biswal, Khatun, Khatua, Parida, Padhan, Dehuri, Joseph, Fulton, Mahanta, Mohanty, Khatoon, Pradhan, Johnson, Edwards, Maharana, Senapati, Dalei, Dalai, Patra, Kisan, Das, Sahu, Bewa, Bhoi, Rana, Raut, Jena, Naik, Ojha, Malik, Pradhana, Majhi, Samal, Sethy, Smith, Swain, Colby, Baral, Barik, Begam, Bower, Kandi, Munda, and Mahapatra