Globally, Yanniek (Yanniek ) is a very rare epicene first name. Much less frequently, Yanniek is the last name as well as the forename.
Bos, Geleijnse, Aalderink, Quintero, Escudero, Lafflitto, Reijnders, Heijkoop, Lagarde, Plompen, Beljaars, Vaatstra, Heuvel, Jansen, Galiën, Perron, Kramer, Buijs, Wolf, Jong, Span, Jan, Vallenduuk, and Segura Peralta
) is a very rare epicene first name. Much less frequently, Yanniek is the last name as well as the forename.