Richard Frederick Green is an American astronomer, former director of the Kitt Peak National Observatory, UKIRT and the Large Binocular Telescope Observatory.

[1][2][3] He was awarded a bachelor's degree in astronomy by Harvard University in 1971 and a Ph.D. by California Institute of Technology in 1977.

He was appointed Director of the Kitt Peak National Observatory in 1997 after which he moved in 2005 to become Director of the Large Binocular Telescope at the Mount Graham International Observatory in southeast Arizona.

[5] His main research interest is in the area of active galaxies and quasars.

He was elected a Legacy Fellow of the American Astronomical Society in 2020.