Colum \c(o)-lum\ as a boy's name is a variant of Calum (Scottish, Gaelic) and Colm (Irish, Gaelic). See for meaning of Colum. See also Culver.

The baby name Colum sounds like Callum and Clem. Other similar baby names are Colt, Cole, Colby, Coley, Colin, Colyn, Colle, Col, Colan, Coll, Colla, Colis, Colet and Colas.