The girl's name Sohnnja\so(h)-nn-ja\ is a variant of Sonia (English). See for meaning of Sohnnja.
The baby name Sohnnja sounds like Sonnja and Sonja. Other similar baby names are Sondja and Sohnia.
Sohnnja is a very rare female first name and is not used as a surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the girl's name Sohnnja. Compare Sohnnja with related baby names.