Pietro d'Acquarone (9 April 1890 – 13 February 1948) was an Italian soldier, entrepreneur and politician. He was nominated to the senate in 1934. Close to the royal family, in 1939 he was appointed Minister to the Royal House. He was a trusted advisor to the king during the difficult later years of the Mussolini régime, and played a central role in the final meeting of the Grand Council that took place overnight on 24/25 July 1943, and in the frantic consultations that ensued. He accompanied Victor Emmanuel to Pescara and Brindisi on 9/10 September 1943 and then stayed with the king till the latter's abdication 32 months later.