Her Excellency pronoun1 •(formal) A title of respect for females used when referring to heads of state, heads of government, governors, ambassadors, certain ecclesiastics, royalty, and others holding equivalent rank.
His Excellency pronoun1 •(formal) A title of respect for males used when referring to heads of state, heads of government, governors, ambassadors, ecclesiastics such as Catholic Bishops, Nuncios, royalty and those of equivalent rank.
Your Excellency pronoun1 •(formal) A title of respect used when addressing heads of state other than monarchs, heads of government, governors, ambassadors, certain ecclesiastics, royalty, and others holding equivalent rank. formsYour Excellencies