Chiefs of Mission for Singapore
- Francis Joseph Galbraith (1966-1969)
- Charles Tenney Cross (1969-1971)
- Edwin Monroe Cronk (1972-1975)
- John Herbert Holdridge (1975-1978)
- Richard Francis Kneip (1978-1980)
- Harry E.T. Thayer (1980-1984)
- J. Stapleton Roy (1984-1986)
- Daryl Arnold (1987-1989)
- Robert D. Orr (1989-1992)
- Ralph Leo Boyce (1992-1994)
- Jon M. Huntsman (1992-1993)
- Timothy A. Chorba (1994-1998)
- Steven J. Green (1997-2001)
- Franklin L. Lavin (2001-2005)
- Patricia Louise Herbold (2005-2009)
- David Adelman (2010-)
- Richard Hempstead Donald (-)