Jeffrey Steven "Jeff" Pilson (born January 19, 1959, Lake Forest, Illinois) is an American multi-instrumentalist best known for his stint in the heavy metal band Dokken. He was also a member of Dio for much of the 1990s and has been the bassist for Foreigner since 2004.

After the initial breakup of Dokken, Pilson formed his own group called Flesh & Blood in 1989, taking over lead vocal and rhythm guitar duties. After changing the name to War & Peace, Pilson released a total of four albums, starting with 1993's Time Capsule, utilizing different players and line-ups. Pilson went on to collaborate with War & Peace bassist Tommy Henriksen under the name Underground Moon choosing the pseudonym Dominic Moon for himself; the project's sole album was released in 2001 in Europe and Japan.