Bert Coules is an English writer, mainly for the BBC, who has produced a number of dramatisations and original works.

Bert Coules worked in radio drama for ten years, gaining experience as a recording engineer, sound-effects technician, script reader and producer-director before becoming a full-time writer in 1989.

[3] Coules specializes in mystery and science fiction audio and radio drama, and has written a number of dramatisations, most notably as the head writer of the Sherlock Holmes radio series (1989–1998) starring Clive Merrison as Holmes and Michael Williams as Watson (the first time the entire canon had been adapted with the same two lead actors throughout).

Separately, Coules has written a two act two-hander entitled Watson and Holmes, which consists of staged version of two of his previous radio scripts: "The Lion's Mane" and "The Abergavenny Murder".

[7] Coules has penned a spec script for a 2-hour long television pilot entitled 221B based on the Holmes stories.