All over the world, Ducan (Ducan 
) is a rare mostly boy's, but seldom female first name. The first name Ducan is characteristic of Romania, where it is a rare male name, the United Kingdom, where it is a very rare boy's name, and Philippines. In absolute terms, this name is the most popular in Romania, Nigeria, and Philippines. More frequently, Ducan is the last name as well as the forename.