Family name Aliakhnovich (Aliakhnovich 
, Алиахнович 
) , around the globe, is a very rare last name. The cognomen Aliakhnovich is characteristic of Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Canada, where it is an extremely rare surname. In absolute terms, the name is most common in Russia, Belarus, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Aliakhnovich | Germany, Canada, United States, Belarus |
| Алиахнович | Russia |
Alachnowicz, Alechnowitsch, Alekhnovich, Olechnovič, Olechnowitsch, Olekhnovich, Olekhnovych, Алехнович, Аляхнович, Аляхновіч, and Олехнович