Andrew Christopher Fabian (born 20 February 1948) is a British astronomer and astrophysicist.

[8] He was editor-in-chief of the astronomy journal Monthly Notices of the Royal Astronomical Society from 1994–2008.

[9] His areas of research include galaxy clusters, active galactic nuclei, strong gravity, black holes and the X-ray background.

His notable achievements include his involvement in the discovery of broad iron lines emitted from active galactic nuclei, for which he was jointly awarded the Bruno Rossi Prize.

[13] In 2016 he was elected as a foreign associate of the National Academy of Sciences[14] and awarded the Bruce Gold Medal by the Astronomical Society of the Pacific.