Family name אונס (אונס 
, Onnes 
) , around the globe, is a rare surname. The cognomen אונס is characteristic of Netherlands, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Israel. Measured by absolute frequency, it is the most numerous in Netherlands, New Zealand, and Canada. Very seldom, אונס is the forename as well as the last name.