John Noble Lennox Morrison (born July 14, 1943 in Hexham), joined the Defence Intelligence Staff (DIS) in 1967 as a desk-level intelligence analyst. During his Ministry of Defence (MoD) career he occupied a wide range of analytical and management positions in the DIS and elsewhere, including three tours in the Cabinet Office, culminating as Secretary to the Joint Intelligence Committee (JIC).

John Morrison (born 1961) was elected as state Auditor in Montana in November 2000, and re-elected in 2004. In April 2005, he became the first person to announce a candidacy in the Democratic primary for the 2006 US Senate election for the seat which was then held by Republican Conrad Burns.

John Morrison (April 17, 1868—date of death unknown) was a politician in Manitoba, Canada. He served in the Legislative Assembly of Manitoba from 1916 to 1922.