Ernst Otto Åkesson (14 October 1872, Viipuri - 29 November 1939) was a Swedish-speaking Finnish lawyer and politician.
He served as Minister of Justice of Finland from 14 November 1922 to 21 December 1923.
He was a member of the Parliament of Finland, representing the Swedish People's Party of Finland (SFP) from 1917 to 1919 and the Agrarian League from 1922 to 1924.