Ó Scealláin is an Irish surname, originally from County Wexford, derived from a word meaning kernel. It is nowadays rendered as Scallan. Notable people with the surname include:
Éamonn Scallan (born 1972), Irish Curling coach Frank Clinger Scallan (1870–1950), Anglo-Indian artist and writer
See also
Mac Scannláin Ó Scannláin Ó Scannail
References The Surnames of Ireland, Edward MacLysaght, p. 17, Dublin, 1978, .