James Wilfred Jefford CB, CBE (22 March 1901 – 1 January 1980) was the first Commander-in-Chief of the Royal Pakistan Navy, serving from its inception in 1947 until 1953.

[4] On the inception of the Dominion of Pakistan in 1947, Commodore Jefford transferred to the special list of the Royal Navy and was appointed Flag Officer commanding the new Royal Pakistan Navy with the acting rank of rear-admiral (15 August 1947).

[6] His title was upgraded to Commander-in-Chief in 1950, and he was promoted to substantive rear-admiral that year.

He was promoted to a CBE in the 1951 New Year Honours list (from an OBE conferred in 1947).

[7] Vice-Admiral in the Royal Pakistan Navy, in 1953, the same year that his command was terminated.