Johannes Amundsson Aarflot (29 October 1824 – 3 November 1891) was a Norwegian businessman and member of the Norwegian Parliament.
Aarflot was born on the farm Årflot at Ørsta (Aarflot i Ørsta) in Møre og Romsdal, Norway.
He was the son of Amund Knutsson Aarflot (1788–1860) and his wife, Berte Canutte Aarflot (1795–1859) who was a Christian hymnwriter in the Haugean tradition (haugianere).
From 1841 he was an employee at a bookstore in Aalesund.
In 1860, he opened his own bookstore, Aarflots Bokhandel (now Ark Aarflot).He was a member of the city council in Ålesund during 1861.
He served as the mayor of the town in 1864, 1876–81 and 1883-91.
He also served as one of the Settlement Commissioners (Forlikskommissær) on the District Conciliation Board (Forliksråd ) from 1870.
Aarflot became a member of the Norwegian Parliament from the Conservative Party, representing Aalesund og Molde during four terms (1868-1869, 1871-1873, 1880–82, 1889-1891).