Karl Ravens (June 29, 1927 – September 8, 2017) was a German politician.
Ravens was a member of the Social Democratic Party of Germany (SPD). He served as the Federal Minister of Regional Planning, Construction and Urban Development for West Germany from 1974 to 1978.
He was also a member of the synod of the Evangelical Church in Germany from 1979 to 1981.
Ravens was born in Achim, Lower Saxony, and died in Hanover, at the age of 90.