The Cotoi surname is of Romanian origin, commonly found in Romania and among Romanian communities worldwide. It is believed to derive from the word "cot," which means "corner" or "bend," possibly referring to a geographical feature or a specific location where the family originated. Individuals with the Cotoi surname may have historical ties to various regions in Romania, particularly in areas like Transylvania and Moldova. The surname is relatively uncommon, but it carries cultural significance, reflecting the rich heritage and traditions of Romanian families.