This is a list of notable paleontologists who have made significant contributions to the field of paleontology. Only paleontologists with biographical articles in Wikipedia are listed here.

A

B

C

D

E

F

G

H

I

• Nizar Ibrahim (Germany / Morocco, 1982- )
• Thomas Image (England, 1772-1856)
• Wataru Ishijima (Japan, 1906-1980)
• Arturo Issel (Italy, 1842-1922)

J

• David Jablonski (United States, 1953- )
• Auguste Jaccard (Switzerland, 1833-1895)
• Louis L. Jacobs (United States, 1948- )
• Sohan Lal Jain (India)
• Helen F. James (United States, 1956- )
• Werner Janensch (Germany, 1878-1969)
• Philippe Janvier (France)
• Erik Jarvik (Sweden, 1829-1901)
• Dick Jefferies (England)
• Farish Jenkins (United States, 1940-2012)
• James A. Jensen (United States, 1918-1998)
• Kirk Johnson (United States, 1960- )
• Frederik Johnstrup (Denmark, 1818-1894)
• Theobald Jones (Ireland, 1790-1868)
• Thomas Rupert Jones (England, 1819-1911)

K

L

M

N

• Darren Naish (England, 1975- )
• Alfred Gabriel Nathorst (Sweden, 1850-1921)
• Theodor Anton Neagu (Romania, 1932-2017)
• Sterling Nesbitt (United States, 1982- )
• Edwin Tulley Newton (England, 1840-1930)
• Elizabeth Nicholls (Canada, 1946-2004)
• Henry Alleyne Nicholson (Scotland, 1844-1899)
• Adolf Carl Noé (Austria / United States, 1873-1939)
• Alexander von Nordmann (Finland, 1803-1866)
• Mark Norell (United States, 1957- )
• David B. Norman (England)
• Fernando Novas (Argentina)
• Nestor Ivanovich Novozhilov (Russia)

O

• Vladimir Obruchev (Russia, 1863-1956)
• Klaus Oeggl (Austria, 1955- )
• Chonosuke Okamura (Japan)
• Thomas Oldham (Ireland / England, 1816-1878)
• Walter Oliver (Australia / New Zealand, 1883-1957)
• Paul E. Olsen (United States, 1953- )
• Stanley John Olsen (United States, 1919-2003)
• Everett C. Olson (United States, 1910-1993)
• Armin Öpik (Estonia / Australia, 1898-1983)
• Alcide d'Orbigny (France, 1802-1857)
• Yuri Alexandrovich Orlov (Russia, 1893-1966)
• Tor Ørvig (Sweden, 1916-1994)
• Henry Fairfield Osborn (United States, 1857-1935)
• Halszka Osmólska (Poland, 1930-2008)
• John Ostrom (United States, 1928-2005)
• Richard Owen (England, 1804-1892)
• Katsura Ōyama (Japan, 1917-1995)
• Ozawa Yoshiaki (Japan, 1989-1929)

P

Q

• Heinrich Quiring (Germany, 1883-1964)

R

S

T

U

• Viktor Uhlig (Austria, 1857-1911)
• Edward Oscar Ulrich (United States, 1857-1944)
• Franz Unger (Austria, 1800-1870)

V

• Pierre-Joseph van Beneden (Belgium, 1809-1894)
• Gerard Frederick van Tets (England / Canada / Australia, 1929-1995)
• Blaire Van Valkenburgh (United States)
• Trevor Valle (United States, 1975- )
• Geerat J. Vermeij (Netherlands / United States, 1946- )
• Édouard de Verneuil (France, 1805-1873)
• Patricia Vickers-Rich (United States / Australia, 1944- )
• Emily H. Vokes (United States, 1930- )
• Alexander von Volborth (Russia, 1800-1876)
• Giovanni Serafino Volta (Italy, 1764-1842)
• Elisabeth Vrba (United States, 1942- )
• Vishnu-Mittre (India, 1924-1991)

W

X

• Xu Xing (China)

Y

• Hisakatsu Yabe (Japan, 1878-1969)

• Yang Zhongjian (China, 1897-1979)
• Lorenzo Gordin Yates (United States, 1837-1909)
• Ivan Yefremov (Russia, 1908-1972)
• Xiaobo Yu (China)

Z

• Mikhail Zalessky (Russia, 1877-1946)
• Lindsay Zanno (United States)
• Otto Zdansky (Austria, 1894-1988)
• Charles René Zeiller (France, 1847-1915)
• Zhao Xijin (China)
• Vladimir Zherikhin (Russia)
• Zhou Ming-Zhen (China, 1918-1996)
• Zhou Zhonghe (China, 1965- )
• Jiri Zidek (Czech Republic / United States)
• Eduard Meine van Zinderen-Bakker (Netherlands / South Africa, 1907-2002)
• Gustav Adolf Zwanziger (Austria, 1837-1893)