A variant of Ronan, the Irish name meaning little seal.
Ronnan is a variant of Ronan, the Irish name meaning "little seal." That animal-rooted meaning gives the name a natural softness, and the seal image has long been associated with the sea, agility, and a certain quiet intelligence.
Ronan has become widely recognized, while Ronnan gives the familiar form a slightly altered, more individualized appearance. As a modern spelling, Ronnan feels sturdy and approachable. It preserves the friendly Irish character of the original while making the name look and sound a bit more assertive. The doubled consonant gives it extra visual weight, helping it stand apart while remaining close enough to the classic form to feel familiar.