Cognomen Aiyappa (Aiyappa 
) , in all the world, is a rare last name. The surname Aiyappa is characteristic of United Arab Emirates, where it is a rare surname, India, where it is a very rare surname, and Australia. In absolute terms, it is the most numerous in India, United Arab Emirates, and the United States. More prevalently, Aiyappa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aiyappa | Australia, United Arab Emirates, United States, India, United Kingdom |
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pramila aiyappa Indian heptathlete, IN (b. 1977) |
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| len aiyappa Indian field hockey player (1979-), IN (b. 1979) |
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| harshitha barike aiyappa researcher (ORCID 0000-0002-4268-6659) |
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| ashwath aiyappa cricketer (1983-2014), IN (b. 1983) |
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Mu, Poovappa, Dheeraj, Nanaiah, Nayinar, Nachappa, Uthaiah, Uthappa, Muthanna, Pemmaiah, Chendira, Biddanda, Kariappa, Kodendera, Kechamada, Ponnappa, Poonacha, Mandepanda, Somayanda, Boverianda, Bollera, Alemada, Somaiah, Ba, Kn, Ta, B M, Raj, Das, Tas, Arun, Raja, Kumar, Rajan, Laila, Nayak, Chinnu, Pramod, Pirapu, Ganesh, Madappa, Sharath, Palecanda, and Ganapathy