Frank Søholm Grevil (born 1960) is a Danish chemical engineer and former intelligence agent.
[1] He held the rank of major in Forsvarets Efterretningstjeneste, the Danish military intelligence agency.
On 22 February 2004 he acted as a whistle blower leaking classified information about the FE's assessment of the possibility of weapons of mass destruction in Iraq.
The analysis of FE concluded that there was no certain information about operational weapons of mass destruction.
[3] In 2009, he received the Sam Adams Award for integrity in intelligence which had earlier been given to Katharine Gun and Andrew Wilkie.