Johan Lauritz Rasch (1 December 1829 – 5 March 1901) was a Norwegian jurist and politician.
He resided in Frederikshald, where he worked as an attorney and later stipendiary magistrate . He was elected to the Norwegian Parliament in 1871 and 1880, representing his city.[1]
When Carl Sibbern died in 1880, Rasch was appointed County Governor of Smaalenenes Amt (today named Østfold). He held the position to 1890, and died in 1891.