Around the world, เดนนิส (Dennis 
, Denniss 
, เดนนิส 
) is a widespread masculine first name. The first name เดนนิส is characteristic of Philippines, where it is a common masculine name, the United States, and Hong Kong, where it is quite a common boy's name (explore the name in all countries). Measured by absolute frequency, it is the most numerous in the United States, Philippines, and Germany. Very seldom, เดนนิส is the last name as well as the forename.
เดนนิส is also a popular name for the fictitious and mythical characters: Dennis Creevey , the character from Harry Potter, Harry Potter and the Order of the Phoenix; Dennis "Cutty" Wise , the character from The Wire; Dennis Monroe Parker , character in Alien; Skorpio and Dennis Ryland , character in The 4400, and in many other works.