Little king or water
Ryaan is a variant of the Irish name Ryan, meaning 'little king,' or the Arabic name Rayyan, meaning 'luxuriant' or 'watered.' In Islamic tradition, Al-Rayyan is the name of one of the gates of Paradise. This specific spelling is a modern, cross-cultural adaptation.
Less common today
Ryaan isn't in the latest US Top 1000. It last peaked at #4,434 in 2017.
US births per 5-year period, 1990βpresent (SSA data).