List of dinosaur specimens with nicknames

This list of nicknamed dinosaur fossils is a list of fossil non-avian dinosaur specimens given informal names or nicknames, in addition to their institutional catalogue numbers. It excludes informal appellations that are purely descriptive.
For a similar list with non-dinosaurian species, see List of non-dinosaur fossil specimens with nicknames.

Ornithischians

Ornithopods

Nickname	Catalogue number	Institution	Taxon	Age	Unit	Notes	Images
April	MANCH LL. 12275	Manchester Museum	Tenontosaurus tilleti	Lower Cretaceous	Cloverly Formation	Highly complete. Named after wife of preparator. May represent male specimen.
AMNH Mummy	AMNH FARB 5060	American Museum of Natural History	Edmontosaurus annectens	Late Cretaceous	Lance Formation, Wyoming	Skeleton with extensive skin impressions. Found in 1908
Antonio	SC 57021	Civic Museum of Natural History, Trieste	Tethyshadros insularis	Late Cretaceous	Liburnia Formation
Arky	SMA 0265	Sauriermuseum Athal	Camptosaurus sp.	Late Jurassic
Baby Dry	CM 11340	Carnegie Museum of Natural History	Dryosaurus elderae	Late Jurassic	Morrison formation	Juvenile specimen.
Barbara	NMZ 1000010/SMA 0010	Aathal Dinosaur Museum	Nanosaurus agilis	Late Jurassic	Morrison Formation, Howe Ranch, Wyoming
Becky's Giant	MOR 1609	Museum of the Rockies	Edmontosaurus annectens?	Late Cretaceous		A maxilla. Its 570 mm size indicates it is one of the largest specimens of Edmontosaurus.
The Beast	FMNH	Field Museum of Natural History	Parrosaurus missouriensis	Late Cretaceous	Missouri
Boggy Lips		Black Hills Institute	Edmontosaurus	Late Cretaceous	Lance Formation	Has preserved skin
Bruno	SC 57247	Civic Museum of Natural History, Trieste	Tethyshadros insularis	Late Cretaceous	Liburnia Formation
Burt		Barnes County Historical Society Museum	Thescelosaurus neglectus	Late Cretaceous
Dakota	NDGS 2000	North Dakota Heritage Center & State Museum	Edmontosaurus cf. annectens	Late Cretaceous	Hell Creek Formation, North Dakota	Partial skeleton. Very well preserved, with large sections of skin impressions.
Diana		Houston Museum of Natural Science	Edmontosaurus	Late Cretaceous
Dinosaur Joe	RAM 14000	Raymond M. Alf Museum of Paleontology	Parasaurolophus cyrtocristatus	Late Cretaceous	Kaiparowits Formation	Juvenile specimen, named after volunteer Joe Augustyn
Elvis		Phillips County Museum	Brachylophosaurus	Late Cretaceous
Ed Sr.	UCRC PV30	University of Chicago Research Collection	Edmontosaurus annectens	Late Cretaceous	Lance Formation, Wyoming	Partial skeleton with extensive skin impressions
Ed Jr.	UCRC PV31	University of Chicago Research Collection	Edmontosaurus annectens	Late Cretaceous	Lance Formation, Wyoming	Partial skeleton with extensive skin impressions
Gary	UALVP 60425	University of Alberta Paleotology Museum	Edmontosaurus	Late Cretaceous
George		Pacific Museum of the Earth, Vancouver	Lambeosaurus	Late Cretaceous	Dinosaur Park Formation, Alberta	Composite skeleton. Found in 1913.
Georgette		Korea Institute of Geoscience	Maiasaura peeblesorum	Late Cretaceous		Juvenile specimen
Hannah		, West Virginia	Edmontosaurus	Late Cretaceous	Hell Creek Formation	Uncovered in 2003. Only genuine non-avian dinosaur specimen in the state of West Virginia.
Haddy		Academy of Natural Sciences of Drexel University	Hadrosaurus foulkii	Late Cretaceous	Woodbury Formation, New Jersey	Reconstructed skeleton
Henrietta		Royal Ontario Museum	Maiasaura peeblesorum	Late Cretaceous
Isauria	IGM 6583	Instituto de Geologia of the Universidad Nacional Autonoma de Mexico	Latirhinus	Late Cretaceous	Cerro del Pueblo Formation
Karen		Fukui Prefectural Dinosaur Museum	Prosaurolophus blackfeetensis	Late Cretaceous
Leonardo	JRF 115H	The Children's Museum of Indianapolis	Brachylophosaurus canadensis	Late Cretaceous	Judith River Formation, Montana	Mummified specimen
Leon		Houston Museum of Natural Science	Edmontosaurus	Late Cretaceous
Lizzie	2000 P-02	University of Alaska Museum	Hadrosauridae indet.	Late Cretaceous	Matanuska Formation	First occurrence of a hadrosaur in south-central Alaska, 1 out of only 4 vertebrate fossils from the entire Wrangellia Composite Terrane, & first associated skeleton of an individual dinosaur in Alaska.
Mama Dry	CM 3392	Carnegie Museum of Natural History	Dryosaurus elderae	Late Jurassic	Morrison formation	Sub-adult specimen.
Marco			Brachylophosaurus canadensis	Late Cretaceous	Judith River Formation, Montana	Found in the same area as the Leonardo mummy
Mary Ann		Naranjo Museum of Natural History	Edmontosaurus	Late Cretaceous	Hell Creek Formation, Montana	Found in 2008. Has well preserved skin impressions on foot and tail. Named after Mary Ann Naranjo.
Maximus		Private specimen	Thescelosaurus neglectus	Late Cretaceous	Hell Creek Formation, South Dakota	Young adult specimen.
Medusa		Winona State University	Edmontosaurus	Late Cretaceous	Hell Creek Formation, North Dakota	Specimen preserves skin and tendons. Found in 2024
Mouse		Royal Tyrrell Museum of Palaeontology	Hadrosauridae indet.	Late Cretaceous	Dinosaur Park Formation	Named after a mouse skeleton found in its plaster jacket after being left out for years.
Nadine		Fukui Prefectural Dinosaur Museum	Hypacrosaurus stebingeri	Late Cretaceous		Juvenile specimen
Papa Dry	CM 87688	Carnegie Museum of Natural History	Dryosaurus elderae	Late Jurassic	Morrison Formation	Partially preserved adult skull
Peanut			Brachylophosaurus	Late Cretaceous
Pink Iggy	MIWG.5126	Dinosaur Isle	Iguanodon	Early Cretaceous		Named after the bones' pink colouration due to the minerals in the rocks
Primus	SC 57022	Civic Museum of Natural History, Trieste	Tethyshadros	Late Cretaceous	Liburnia Formation
Roberta		Great Plains Dinosaur Museum and Field Station	Brachylophosaurus	Late Cretaceous		Mummified remains
Rocco			Tethyshadros insularis	Late Cretaceous	Liburnia Formation
Rod's Duck	uncatalogued	Badland's Dinosaur Museum	?Brachylophosaurus sp.	Late Cretaceous,	Judith River Formation	A young individual, possibly of the genus Brachylophosaurus died at approximately the age of 2–3 years.
Ruth		National Museum Cardiff	Edmontosaurus annectens	Late Cretaceous	Hell Creek Formation	Named after Ruth Mason, who discovered fossils of Edmonotosaurus on her ranch, and provided the name of the Ruth Mason Quarry
Scorpio			Lambeosaurus	Late Cretaceous	Dinosaur Park Formation	Has skin impressions.
Secundus	SC 57026	Civic Museum of Natural History, Trieste	Tethyshadros insularis	Late Cretaceous	Liburnia Formation
Senckenberg mummy or Edmond	SMF R 4036	Senckenberg Museum	Edmontosaurus annectens	Late Cretaceous	Lance Formation, Wyoming	Skeleton with extensive skin impressions. Found in 1910
Skinny		Royal Saskatchewan Museum	Edmontosaurus	Late Cretaceous	Saskatchewan	Excavated in 1995. Found in same area as Scotty the T. rex. Has well preserved scale impressions.
Tertius		Civic Museum of Natural History, Trieste	Tethyshadros	Late Cretaceous	Liburnia Formation
Tyke	TMP 1998.050.0001	Royal Tyrrell Museum of Palaeontology	Prosaurolophus maximus	Late Cretaceous	Bearpaw Formation, St. Mary River, Deerfield Hutterite Colony, near Magrath	Named Tyke in reference to its young age.
Wally			Camptosaurus	Late Jurassic
Walter		Colorado Northwestern Field Museum	Hadrosauridae indet.	Late Cretaceous		Named after the Great Dane who discovered it on a walk with Colorado Northwestern teacher Ellis Thompson-Ellis.
Willo	NCSM 15728	North Carolina Museum of Natural Sciences	Thescelosaurus	Late Cretaceous	Hell Creek Formation	Falsely thought to have fossilised heart intact.
X-rex	MOR 1142	Museum of the Rockies	Edmontosaurus	Late Cretaceous	Hell Creek Formation	Tail with skin impressions. Size indicates it is one of the largest specimens of Edmontosaurus.
Zara and Zelda	NHMO	Natural History Museum at the University of Oslo	Hypacrosaurus stebingeri	Late Cretaceous	Blackfeet Indian Reservation, Montana, Two Medicine Formation	Adult and juvenile specimens found together
Zdravko		Civic Museum of Natural History, Trieste	Tethyshadros	Late Cretaceous	Liburnia Formation