Robert Knopwood (2 June 1763 – 18 September 1838) was an early clergyman and diarist in Australia.

Knopwood was the third child and only surviving son of Robert Knopwood (from a wealthy Norfolk family) and his wife Elizabeth, née Barton of Threxton, Norfolk, England. Knopwood was educated at Gonville and Caius College, Cambridge, and graduated B.A. in 1786, M.A. in 1790. Knopwood was ordained deacon in December 1788 and priest a year later.