Last name Hovhannisyan (Оганесян 
, Hovhannisyan 
) , in the world, is a common surname. The last name Hovhannisyan is habitual in Armenia, where it is a common surname, Russia, where it is quite a common surname, and Belarus, where it is quite a rare surname. In absolute terms, it is commonest in Russia, Armenia, and Ukraine. Very seldom, Hovhannisyan is the forename as well as the last name.
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| Оганесян | Kazakhstan, Russia, Belarus, Armenia, Ukraine |
| Hovhannisyan | Belgium, Spain, France, United States, Armenia |
Hovhannisian, Hovhannissian, Hovhannissyan, Oganesjan, Oganesyan, Аганесян, Говганнісян, Ховханнисян, and Ховханнісян
| artem hovhannisyan Hovhannisyan, AZ (b. 1824) |
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| abgar hovhannisyan Armenian publicist, journalist, social activist, translator, GE (b. 1849) |
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| gayane hovhannisyan GE (b. 1852) |
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| hakob hovhannisyan Armenian biochemist, chemist (1875-1941), AZ (b. 1875) |
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armen hovhannisyan Armenian publicist, journalist, translator (1936-2011), IR (b. 1936) |
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arbi hovhannisyan Iranian film director, writer and playwright, FR (b. 1942) |
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| gevorg hovhannisyan Armenian Foreign Minister (b. 1902) |
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| abgar rubeni hovhannisyan Soviet historian (1908-1991), GE (b. 1908) |
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| karo hovhannisyan Armenian pedagogue (b. 1908) |
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| suren hovhannisyan Armenian doctor-radiologist, GE (b. 1909) |
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| hayrik hovhannisyan Armenian pedagogue, TR (b. 1909) |
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| hrant hovhannisyan Armenian pedagogue (b. 1913) |
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| tamara hovhannisyan IR (b. 1904) |
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| paruyr hovhannisyan TR (b. 1906) |
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| arfenia hovhannisyan Armenian Soviet actress, AZ (b. 1918) |
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