In the entire world, Nellis (Nellis 
) is a rare largely female, but infrequently male first name. The first name Nellis is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is quite a rare girly name, Panama, where it is a rare feminine name, and the Dominican Republic. In absolute terms, it most frequently occurs in Colombia, Indonesia, and Nicaragua. More frequently, Nellis is the last name as well as the forename.