People — L
Leonard Hayflick
1928 – 2024
university teacher
Leonard Helm
1720 – 1782
Leonard Hemming
1916 – 2010
cricketer
Leonard Henderson
1772 – 1833
lawyer
Leonard Henderson
1901 – 1979
baseball player
Leonard Henly Sims
1807 – 1886
politician
Leonard Henry
b. 1978
American football player
Leonard Henry Rochford
1896 – 1986
military personnel
Leonard Henry Ruming
1890 – 1973
comedian
Leonard Herbert Emsden
1893 – 1917
flying ace
Leonard Herzenberg
1931 – 2013
biochemist
Leonard Higson
1908 – 1974
rugby league player
Leonard Hill
1886 – 1963
politician
Leonard Hill
1947 – 2016
screenwriter
Leonard Hilton
1947 – 2000
long-distance runner
Leonard Hilty
1896 – 1978
American football player
Leonard Hinkley
1839 – 1918
politician
Leonard Hirsch
1902 – 1995
teacher
Leonard Ho
1925 – 1998
film producer
Leonard Hoar
1630 – 1675
civil servant
Leonard Hodgson
1889 – 1969
philosopher
Leonard Hoffmann, Baron Hoffmann
b. 1934
judge
Leonard Hokanson
1931 – 2003
pianist
Leonard Holbrook
1882 – 1974
naval officer
Leonard Holland
1916 – 1999
military personnel
Leonard Hollands
1919 – 1971
military personnel
Leonard Holliday
1550 – 1612
Lord Mayor of London
Leonard Holmes A’Court, 4th Baron Heytesbury
1863 – 1949
Leonard Hoogenboom
b. 2000
racing automobile driver
Leonard Hopkins
1891 – 1950
cobbler
Leonard Horn
1926 – 1975
film director
Leonard Horne
b. 1978
cricketer
Leonard Horner
1785 – 1864
geologist
Leonard Horridge
1907 – 1976
cricketer
Leonard Howard
1699 – 1767
writer
Leonard Howard
1886 – 1945
cricketer
Leonard Howe
1886 – 1955
athletics competitor
Leonard Howell
1848 – 1895
association football player
Leonard Howell
1898 – 1981
Léonard Huard de Saint-Aubin
1770 – 1812
military officer
Leonard Hughes IV
b. 1979
politician
Leonard Humphries
b. 1970
American football player
Leonard Hurst
1871 – 1937
marathon runner
Leonard Hussey
1891 – 1964
explorer
Leonard Hutchinson
writer
Leonard Hutchinson
1901 – 1976
cricketer
Leonard Hutten
1557 – 1632
translator
Leonard Huxley
1902 – 1988
physicist
Leonard Hyman Soicher
mathematician
Leonard I. Garth
1921 – 2016
lawyer
Leonard I. Green
1934 – 2002
financier
Leonard I. Schiff
1915 – 1971
physicist
Leonard I. Zon
scientist
Leonard Iheagwam
Leonard Ingrams
1941 – 2005
banker
Leonard Insull
1883 – 1974
magician
Leonard Irby
Leonard Irvine
1906 – 1973
cricketer
Leonard Irving
1898 – 1962
politician
Leonard Isitt
1855 – 1937
Christian minister
Leonard Isitt
1891 – 1976
military personnel
Leonard Issacson
1925 – 2018
composer
Leonard J. Arrington
1917 – 1999
historian
Leonard J. Cerullo
b. 1944
neurologist
Leonard J. Chabert
1932 – 1991
politician
Leonard J. Farwell
1819 – 1889
politician
Leonard J. Fick
1915 – 1990
writer
Leonard J. Greenspoon
1945 – 2025
scientist
Leonard J. Jacobs
1928 – 2024
politician
Leonard J. Marcus
b. 1952
social scientist
Leonard J. Miller
1907 – 1992
Leonard J. Russell
1884 – 1971
teacher
Leonard J. Russell
1932 – 1985
politician
Leonard J. Stern
1904 – 1988
judge
Leonard J. Umnus
1903 – 1996
basketball coach
Leonard Jackson
1928 – 2013
actor
Leonard Jackson
1848 – 1887
cricketer
Leonard Jacobson
1921 – 1992
architect
Leonard Jacobson
b. 1944
writer
Leonard Jacques Stein
1887 – 1973
politician
Leonard Jaczewski
1858 – 1916
explorer
Leonard Jägerskiöld
1867 – 1945
zoologist
Leonard James Hooper
1914 – 1994
cryptographer
Leonard James Keyworth
1893 – 1915
military personnel
Leonard James Potts
1897 – 1960
playwright
Leonard James Rogers
1862 – 1933
mathematician
Leonard James Spencer
1870 – 1959
mineralogist
Leonard Jan Le Vann
1915 – 1987
medical researcher
Leonard Jarvis
1781 – 1854
politician
Leonard Jeffries
b. 1937
academic
Leonard Jennett Simpson
1882 – 1940
politician
Leonard Jennings
1887 – 1956
sculptor
Leonard Jennings
1903 – 1977
military personnel
Leonard Jenyns
1800 – 1893
zoologist
Leonard Jerome
1817 – 1891
entrepreneur
Leonard Jervis
b. 1949
sprinter
Leonard Jimmie Savage
1917 – 1971
mathematician
Leonard John Brass
1900 – 1971
botanist
Leonard John Cronin
1900 – 1976
journalist
Leonard John Lewis
b. 1950
lecturer