William Gregory FRCPE FRSE FCS (25 December 1803 – 24 April 1858) was a Scottish physician and chemist.

[5] In the 1830s he is recorded as living in his father's townhouse with his brothers at 10 Ainslie Place on the Moray Estate in the western New Town of Edinburgh.

Andrew Fyfe filled his post in Aberdeen having unsuccessfully also contested the Edinburgh chair.

It lies in the south-west corner of the graveyard, to the right hand side of Adam Smith's grave.

Gregory was a pupil of Justus von Liebig at Giessen, and translated and edited several of his works.