Jan Erik Hobæk Weber (born 20 March 1944) is a Norwegian oceanographer.
He was born in Gjerpen. He took the dr.philos. degree in 1974, became a professor of physical oceanography at the University of Oslo in 1979 and a fellow of the Norwegian Academy of Science and Letters in 1988.
He resides at ÃÂsterÃÂ¥s.