Amasa Stone Bishop (1921 – May 21, 1997) was an American nuclear physicist specializing in fusion physics.

From 1943 to 1946 he was a member of the staff of Radiation Laboratory at the Massachusetts Institute of Technology, where he was involved with radar research and development.

[1] In 1953 Amasa joined the research division of the Atomic Energy Commission (AEC) in Washington and became the director of the American program to develop controlled fusion, also known as Project Sherwood.

After leaving this position in 1956, Amasa published a book on behalf of the AEC discussing the various attempts at harnessing fusion under Project Sherwood.

[1][2] After 1956 Amasa also served as the AEC's European scientific representative, based in Paris.