Family name Mahadevappa (Mahadevappa 
) , in all the world, is a rare last name. The cognomen Mahadevappa is habitual in India, where it is a very rare surname, Australia, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in India, the United States, and China. Much more frequently, Mahadevappa is the forename as well as the last name.
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| Mahadevappa | United Kingdom, Australia, China, United States, India |
| shani mahadevappa Indian film actor, IN (b. 1933) |
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| m. mahadevappa Indian geneticist (1937-2021), IN (b. 1937) |
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| asha mahadevappa researcher |
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| h. c. mahadevappa Indian politician, IN |
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| s p mahadevappa Indian politician, IN |
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| ravikiran mahadevappa researcher |
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| manjappa mahadevappa researcher (ORCID 0000-0002-8710-2397) |
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| manjunatha mahadevappa researcher |
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Meti, Banakar, Badiger, Budihal, Biradar, Kambali, Ganiger, Talavar, Harijan, Hadapad, Valikar, Mulimani, Calavadi, Betageri, Dalavayi, Dodamani, Naragund, Hadimani, Hosamani, Hubballi, Madivalar, Bhajantri, Baraker, Sunagar, Vaddar, Naykar, Akki, Kori, Koti, Kuri, Madar, Barki, Patil, Pujar, Jadar, Halli, Kattimani, Hugar, Uppar, Angadi, Kambar, Kammar, Koppad, Kumbar, Pattar, Pujari, Lamani, Jadhav, Itagi, and Doddamani