This is a list of surnames in which the meaning contains the keyword hard.
Korhonen FinnishPossibly from archaic Finnish
korho meaning
"deaf, hard of hearing". This is the most common surname in Finland.
Stabile ItalianFrom the medieval Italian given name
Stabile meaning
"stable, firm".
Stark English, GermanFrom a nickname meaning
"strong, rigid", from Old English
stearc or Old High German
stark.
Tosto ItalianFrom a nickname for a tough, stubborn person, from Italian
tosto "hard, tough".