Trevor Percival Frank de Silva (born 31 July 1935) was the 24th Inspector General of the Sri Lanka Police (IGP) (1993–1995).
[2] He served as the Asian expert on the United Nations Committee on Crime Prevention and Criminal Justice between 1986 and 1992.
[3] De Silva, was appointed IGP by President D. B. Wijetunga on 29 November 1993, succeeding Ernest Perera.
He authored a book, Police Decision in Action: A Profile in Legal Review, which was published in February 2009.
The commission was appointed by President Chandrika Kumaratunga to investigate into whether there was a significant increase in crime in Sri Lanka, over the preceding twenty years, affecting the maintenance of law and order in the country.