Ruan is a name of Irish origin, derived from the Irish surname Ó Ruanaidh. It means "little red one," likely referring to a small person with reddish hair or complexion. The name has been used historically as both a first name and a last name in Ireland.
The name Ruan has seen a recent increase in popularity, with a total of 66 births recorded between 1983 and 2023. The years with the highest birth counts were 2022 and 2017, each with 10 and 9 births respectively.