Aikinite is a sulfide mineral of lead, copper and bismuth with formula Pb Cu Bi S3.

It forms black to grey or reddish brown acicular orthorhombic crystals with a Mohs hardness of 2 to 2.5 and a specific gravity of 6.1 to 6.8.

It was originally found in 1843 in the Beryozovskoye deposit, Ural Mountains.

It is named after Arthur Aikin (1773–1854), an English geologist.

This article about a specific sulfide mineral is a stub.