Octavian Armașu (born 29 July 1969) is a Moldovan politician.

Octavian Armașu was appointed as Governor of the National Bank of Moldova (NBM) on 30 November 2018, succeeding Sergiu Cioclea at this post.

In December 2023, the Moldovan government dismissed Armașu over concerns he failed to act over Moldova's "theft of the century" fraud scandal in which $1 billion disappeared from the country's banking system in 2014–15.

[1] At the date of his appointment, Mr. Octavian Armașu had over 22 years of experience in the financial – economic sector.

[2] Armașu is married and has two children.