John Aalmo (7 August 1902 – 19 July 1981) was a Norwegian politician for the Conservative Party.
He was born in Aure as a son of teacher and mayor Ole Aalmo (1861–1943) and Gjertrud, née Rimstad (1876–1937).
He spent most of his career, from 1958 to 1978, in Fosen Trafikklag.
He was also a board member here as well as Fosen Aktie Dampskipsselskap.Aalmo served as mayor of Sandstad from 1934 to 1957, and was a member of the county council during the same period.
He served as a deputy representative to the Parliament of Norway from Sør-Trøndelag during the terms 1954–1957 and 1958–1961.
In total he met during 95 days of parliamentary session.