Ryen is a spelling variant of Ryan, an Irish surname-name meaning little king.
Ryen is a variant spelling of Ryan, one of the great Irish exports of the twentieth century. The name derives from the old Irish surname Ó Riain, meaning "descendant of Rían," with Rían itself thought to come from the Irish word rí, meaning "king" — making Ryan, at its etymological core, a name meaning "little king." The Ryans were a powerful sept in County Tipperary and County Limerick, and the name's surname origins gave it a robust, grounded quality when it transitioned into first-name use.
Ryan exploded in American popularity through the latter half of the twentieth century, fueled partly by Hollywood — actor Ryan O'Neal's fame in the 1970s helped catapult the name into mainstream consciousness — and partly by a broader fashion for Irish surnames as given names. By the 1980s and 1990s Ryan was a staple of American schoolrooms. The spelling Ryen represents a quieter, more individualized take: same sound, different visual signature, appealing to parents who wanted the familiar warmth of Ryan with a dash of distinctiveness.
The variant spelling also softens the name slightly on the page, giving it a more gender-ambiguous quality that suits contemporary tastes for names that don't rigidly signal one gender. Ryen has been used for both boys and girls, following in the footsteps of Ryan's gradual shift toward unisex territory. Its Irish royal roots remain intact beneath whatever spelling parents choose — a little king or queen by any orthography.