Sir Allan David Green, KCB, KC (born 1 March 1935) is a retired barrister in England and Wales.
Among his cases was the trial of the so-called 'Muswell Hill Murderer', serial killer Dennis Nilsen.
In this role he was responsible for the majority of criminal prosecutions in England, and in his term of office he had to deal with the appeals against conviction of the Guildford Four and the Birmingham Six.
[2] In answer to a question in Parliament in 2005, the Secretary of State for Northern Ireland said that Sir Allan had been paid £1.5 million for his work on the inquiry.
Green was portrayed by Jamie Parker in Des, a 2020 docudrama focusing on Dennis Nilsen.