Federal & State Judges
15,932 judges — Article III appointments from the Federal Judicial Center directory.
- Steven Jay KleifieldCurrently serving2002–present
- Alan E. Klein
- Brett Carroll Klein2000–2009
- Carol S. Klein1988–2020
- Christopher M. KleinCurrently serving1988–present
- Clifford Loss Klein2000–2021
- Edwin Allen Klein2004–2024
- Herbert M. Klein1979–1988
- Howard Felix Klein1995–2022
- Joan Dempsey Klein1975–1978
- Karen K Klein
- Larry Klein1993–2009
- Richard B. Klein2001–2009
- Robert Gordon Klein1984–1992
- Ross M. Klein2005–2018
- Sandra R. KleinCurrently serving2011–present
- James P. Kleinberg2002–2014
Andrew Jay KleinfeldNinth Circuit Court of Appeals · 1986–2025- Philip M. Kleinfield1955–1970
- Thomas C. Kleinschmidt1982–2000
- James R. Klindt
- John Anthony Kline1980–1982
- Roger L. KlineCurrently serving1995–present
- Ronald C. Kline
- Ray Klingbiel1953–1969
- J Philip Klingeberger2003–2017
- Mark W. KlingensmithCurrently serving2013–present
- Nona Louise KlippenCurrently serving2015–present
- Richard C. Kloch sr2001–2013
Frank Le Blond KloebChief JudgeOhio Northern District Court · 1937–1976- Kenneth Lynn Kloepfer
- Barry B. Klopfer1998–2007
- Joanne F. KloppenburgCurrently serving2012–present
- Thomas E. Kluczynski1962–1980
- Amanda M. Knapp
Dennis Raymond KnappChief JudgeWest Virginia Southern District Court · 1970–1998
Martin Augustine KnappFourth Circuit Court of Appeals · 1910–1923![[Percy] Whitman Knapp](/images-webp/judges/percy-whitman-knapp.webp)
[Percy] Whitman KnappNew York Southern District Court · 1972–2004
Loyal Edwin Knappen1906–1930- Suzanne W. Knauf
- Francis Knauss1951–1961
- Robert P. Kneeland1957–1980
James Ray Knepp IICurrently servingOhio Northern District Court · 2020–present- James R. Knepp 2
John Fitzgerald KnessCurrently servingIllinois Northern District Court · 2020–present- Benjamin K. Knight1924–1946
- Clarence B. Knight1982–1997
- Goodwin Jess Knight
John KnightChief JudgeNew York Western District Court · 1932–1955- Michael E. Knight2000–2006
- Shannon KnightCurrently serving2015–present
- Thomas Edmund Knight1931–1943
- Thomas J. Knight1947–1951
- Kimberly Anne KnillCurrently serving2018–present
- Lawrence S. KnipelCurrently serving1999–present
- Michael Anthony KnishCurrently serving2012–present
Winfred George KnochSeventh Circuit Court of Appeals · 1953–1983- Terry J. Knoepp
- Jeanette Theriot KnollCurrently serving1997–present
- Jeannette KnollCurrently serving1982–present
- Stephen Knopf1996–2033
William Lee KnousChief JudgeColorado District Court · 1937–1959- Daniel E. Knowles 3
- E Clifton Knowles
Hiram KnowlesMontana District Court · 1890–1904
John Power KnowlesRhode Island District Court · 1870–1881
John Clark KnoxChief JudgeNew York Southern District Court · 1918–1966- Robert Alan KnoxCurrently serving2013–present
William W. KnoxPennsylvania Western District Court · 1970–1981- Francis X. Knuck1965–1968
- David S. Knudson1995–2003
- E. T. Knudson1959–1965
- Harvey B. Knudson1965–1975
- Larry S. Knupp2000–2006
- Oscar R. Knutson1948–1973
- Nancy Quinn Koba2009–2033
- Bert Kobayashi1969–1979
- Charles C. Kobayashi1991–2006
Leslie Emi KobayashiHawaii District Court · 2010–present
Jonathan Allen KobesCurrently servingEighth Circuit Court of Appeals · 2018–present
Julia Eleanor KobickCurrently servingMassachusetts District Court · 2023–present- Ed Koch
- William C. Koch jr2007–2014
Charles Petros KocorasChief JudgeIllinois Northern District Court · 1980–2006- Arthur G. Koelle
- Montgomery Oliver KoelschNinth Circuit Court of Appeals · 1959–1992
John George KoeltlCurrently servingNew York Southern District Court · 1994–present- Elisa F. KoendermanCurrently serving2007–present
- Francis R. Koenig
- Nancy M Koenig
- Joseph S. Koford1927–1930
- Gerald Kogan1987–1998
Lucy Haeran KohCurrently servingNinth Circuit Court of Appeals · 2010–present- Paul Kohler
Christian Cecil Kohlsaat1899–1918- John B. Kohn1968–1968
- Wendy L. Kohn2003–2014
- Julie H. Kokurek1999–2024
- Victoria S. KolakowskiCurrently serving2006–present
Joshua Paul KolarCurrently servingSeventh Circuit Court of Appeals · 2024–present