The Aluminium Wedge of Aiud, also known as the Object of Aiud, is a wedge-shaped object found two kilometers east of Aiud, Romania, on the banks of the Mures river in 1974. According to the sole article on it written by Boczor Iosif, a contributor to Hungarian paranormal magazines, it was found under thirty-five feet of sand and alongside two mastodon bones. His article also claims it was found in 1973.

The object was allegedly taken to the Archeological Institute of Cluj-Napoca to be examined, where it was found to be made of an alloy of aluminum. The wedge was also encased in a layer of oxide no less than a millimeter thick, which is said to indicate an age of at least three hundred to four hundred years old. It is not mentioned what dating technique was used.

According to the article mentioned above, by Boczor Iosif, it was examined a second time in Lausanne, Switzerland, with the same results. It was not mentioned which establishment carried out this second analysis.

This artifact is considered anomalous because aluminum was not discovered until 1808 and not produced in quantity until 1885.