Rear Admiral (Junior Grade) Digby Thomson MMM is a retired South African Navy officer, who served as Director Maritime Warfare.

He was promoted to rank of naval captain in 2002 and served as Fleet Operations Manager in 2002–2003.

He was promoted to rank of rear admiral junior grade in 2015.

Director Maritime Warfare from 2015 until he took a severance package on 31 March 2017.

This biographical article related to the South African military is a stub.