Otto II (also Otho, Ottone, or Oddone) (c. 1015 – 20 November 1084) was the fourth Marquis of Montferrat from 1042 until his death.
Otto was the son and successor of William III and Waza.
After his father's death in 1042, Otto ruled the March of Montferrat alongside his younger brother, Henry of Montferrat until Henry's death, c.1045.
His second son Henry was the founder of the dynasty of the Marquiss of Occimiano.
This biographical article of a European noble is a stub.