Gideon Mantell MRCS FRS
Lahir	(1790-02-03)3 Februari 1790 Lewes, Sussex, Inggris
Meninggal	10 November 1852(1852-11-10) (umur 62) London, Inggris
Pekerjaan	Ahli bedah, palaeontolog
Dikenal atas	Mendeskripsikan Iguanodon
Suami/istri	Mary Ann Mantell
Kerabat	Walter Mantell (anak)
Penghargaan	Medali Wollaston (1835) Royal Medal (1849)
Penghargaan (1849) Medali Royal (1835) Wollaston Medal (en) Fellow of the Royal Society

Gideon Algernon Mantell MRCS FRS (3 Februari 1790 – 10 November 1852) adalah seorang dokter kandungan, geolog dan paleontolog asal Inggris. Percobaan-percobaan dia untuk merekonstruksi struktur dan kehidupan Iguanodon memulai studi ilmiah mengenai dinosaurus: pada 1822, ia menemukan (dan belakangan mengidentifikasi) fosil gigi pertama, dan belakangan sebagian besar dari kerangka Iguanodon. Karya Mnatell mengenai periode Kapur Inggris selatan juga penting.

• The Fossils of the South Downs. Royal 4to,^[1] 42 lempeng. London 1822. Buku pertama Mantell, lempengannya digambar oleh istrinya. Mahal, dengan harga £3. 3/- (tiga guinea). Dengan harga dua kali lipat, lempengannya digambar dengan tangan.^[2]
• Outlines of the natural history of the environs of Lewes. 4to, 24pp, 3pl. Lewes, 1824.
• Illustrations of the Geology of Sussex, containing figures and descriptions of the fossils of Tilgate Forest. Royal 4to, 20 plates, £2. 15s. 6d. 1827.
• The Geological Age of Reptiles. In Jameson's Edinburgh Philosophical Journal, 1831, Vol. 11, pp. 81–85
• A Narrative of the Visit of their most Gracious Majesties William IV and Queen Adelaide, to the Ancient Borough of Lewes, on the 22nd of October 1830. London: Lupton Relfe, 1831.
• The Geology of the South-East of England. 8vo, with coloured maps, sections, and numerous plates, £1. 1/-. 1833.
• Thoughts on a Pebble. 1836. 8th edition, 1849
• The Wonders of Geology or, a familiar exposition of geological phenomena: being the substance of a course of lectures delivered at Brighton. 2 vols, London, 1838. Lempeng litografi digamvar oleh istrinya. Data dari 4th ed of 1840: vol 1: 428p, frontis & 4 plates; vol 2: pages 429–795 plus appendix, glossary and other material, coloured frontis & 10 coloured plates, most drawn by his wife. Karya paling ekstensif Mantell
• The Medals of Creation. 2 vols, 1844.
• A Day's Ramble in and about the Antient Town of Lewes. London: Henry G. Bohn, 1846.
• Thoughts on Animalcules. small 4to, 144p, 12 coloured plates. London: Murray, 1846. 1850 title: The invisible world revealed by the microscope or, thoughts on animalcules.
• Geological Excursions round the Isle of Wight and along the adjacent Coast of Dorsetshire. 1847.
• Pictorial Atlas of Fossil Remains consisting of coloured Illustration selected from Parkinson's "Organic Remains of Former World" and Arti's "Antediluvian Phytology". London: Bohn. 1850.
• Petrifactions and their teachings. 1851.

1. ^ Royal 4to is a paper size. It produces a fairly large book, with pages of 10 by 12.5 inches (250 by 320 mm) untrimmed.
2. ^ Price details from trade adverts in other volumes.