Larsson \l(a)-rsson, lar(s)-son\ as a boy's name (also used as girl's name Larsson), is a variant of Lars (Scandinavian). See for meaning of Larsson.
The baby name Larsson sounds like Larson and Larsen. Other similar baby names are Carson, Karson, Garson, Laron, Larron, Lawson, Parson and Pearsson.