Sonja Mandt (born 29 March 1960, in Larvik) is a Norwegian politician for the Labour Party.
On the local Mandt held various positions in Larvik municipality council from 1995 to 2007, having also served as a deputy member from 1991 to 1995.
Since 1997 she is a member of the Labour Party national board.
She graduated from Vestfold University College in 1995 and has worked as a nurse.
This article about a Norwegian politician born in the 1960s is a stub.