The 66th Airmobile Infantry Regiment "Trieste" (Italian: 66° Reggimento Fanteria Aeromobile "Trieste") is an active unit of the Italian Army based in Forlì in the Emilia-Romagna. The regiment is part of the Italian army's infantry corps and operationally assigned to the Airmobile Brigade "Friuli". The regiment is the only airmobile infantry unit of the Italian Army.