Avnøgård (Avnø), is a manor house and estate located in Vordingborg Municipality, Denmark.

The estate was acquired by the Ministry of Defence in 1836 and turned into an airfield, Flyvestation Avnø.

In 1774, Vordingborg Cavalry District was divided into 12 estates and sold in a public auction.

[1] The buyer was Jens Lind, who later that same year sold the estate to Fredrik Hoppe.

[1] Carl Arthur George O'Neill Oxholm, the owner of Rosenfeld, purchased Avnø in 1877.