81a Squadriglia was an Italian fighter squadron raised in March 1917 that served through the end of World War I.

81a Squadriglia of the Corpo Aeronautico Militare was founded at the Central Flying School in Arcade, Italy in March 1917, during World War I.

In July, Flavio Baracchini became the first Italian fighter pilot to win the Gold Medal for Military Valor.

Then, on 26 October 1918, it was included in the Massa da Caccia (Fighter Mass) that supported the victorious final Italian offensive at Vittorio Veneto.

When the war in northern Italy ended on 3 November 1918, the 81a Squadriglia had flown 4,118 combat sorties, engaged the enemy 230 times, and were credited with 34 aerial victories.