Jens Christian Skou (born October 8, 1918) is a Danish chemist and Nobel laureate.

At the age of 15 Skou entered a boarding school in Haslev, Zealand. He graduated in medicine from the University of Copenhagen in 1944 and received his doctorate in 1954. He began working at the University of Aarhus in 1947 and was appointed professor of biophysics in 1977. He retired from the University of Aarhus in 1988, but has kept his offices at the institute.
In 1997 he received the Nobel Prize in Chemistry (together with Paul D. Boyer and John E. Walker) for his discovery of Na+,K+-ATPase.