Adamantine may refer to:
Adamant or adamantine, a generic name for a very hard material Adamantine (veneer), a patented celluloid veneer Adamantine lustre, a property of some minerals Adamantine spar, a mineral Adamantine, a 2018 album by Burgerkill "Adamantine", a 1996 song by Thirty Ought Six, released as Mute Records 196
See also Adamant (disambiguation) Adamantane, a bulky hydrocarbon Adamantinoma, a form of bone cancer Adamantium, a fictional metal alloy appearing in comic books published by Marvel Comics Amantadine, a chemical compound