The Lebanese group identified the fighters as Salah Mustafa and Ali Barakat without specifying where or how they were killed.
Hezbollah has lost dozens of men in cross-border clashes with Israel since the Gaza war began.
The group eulogises fighters who die in the current conflict as having been “martyred on the road to Jerusalem” in a nod to the Palestinian struggle.
The Iran-allied organisation has been launching daily attacks on Israeli military targets across the Lebanese border, saying they are acting in support of Palestinians in Gaza. Israel also has regularly bombed Hezbollah positions and border villages in Lebanon over the past two months.
Source: AlJazeera