J
Jeffrey, J (John): Class of 1977. Rugby.
Jeffrey, TWP (Trevor): Class of 1976. Shooting.
Johnston, CM (Cameron): Class of 2004. Rugby.
Johnstone, JM (James): Class of 2008. Rugby.
Joiner, CA (Craig): Class of 1992. Rugby.
Jones, JO (Joe): Class of 2012. Rugby.
Jowett, JS (Jeremy): Class of 1988. Rugby.

K
Kennedy, DC (David): Class of 1982. Rugby.
Kerr, JAM (James): Class of 1993. Cricket.
Kirk, J (John): Class of 1940. Rugby.
Kirkpatrick, J (John): Class of 1989. Swimming.
Kirkwood, EM (Euan): Class of 1953. Cricket.
Knight, AW (Andrew): Class of 1976. Cricket.
Kinloch Anderson, JW  (John): Class of 1990. Athletics/Rugby.

L
Laidlaw, JD (John): Class of 1968. Rugby.
Laing, SR (Stuart): Class of 1989. Rugby.
Laughland, IHP (Iain): Class of 1954. Rugby.
Le Bert-Francis, PW (Philip): Class of 2005. Fencing.
Legget, PJS (Peter): Class of 2011. Cricket.
Lenton, BEA (Bruce): Class of 1998. Benchrest Shooting.
Leslie, GG (Glenn): Class of 2009. Athletics.
Lithgow, SJ (Steve): Class of 1993. Rugby.
Locke, HM (Hamish): Class of 2007. Cricket.
Logan, WR (William): Class of 1929. Rugby