Yaniz is of Arabic origin, meaning "God is merciful". It is often used as both a given name and a surname. The name has gained popularity in recent years, particularly in countries where Islamic culture holds significant influence. Yaniz is also found in various spellings, such as Yanis or Yaniss, reflecting different transliteration methods from Arabic to other languages.
The name Yaniz experienced a gap in popularity between 2005 and 2009, with no recorded births in the intervening years.