- Knoepffler-Peguy, Michèle
- Knoerzer, Albert
- Knoetze, Rinus
- Knoff, Marcelo
- Knoll, Andrew H
- Knoll, Fátima R. N.
- Knoll, Fritz, 1883-1981
- Knoll, Jens
- Knoll, Martin A
- Knollwood Gardens (Dayton, Ohio)
- Knollwood Gardens (Winston-Salem, N.C.)
- Knoop, Dieuwko P
- Knoop, Johann Hermann, approximately 1700-approximately 1769
- Knop, Nancy Fike
- Knopf Iris Gardens,
- Knopf, Adolph, 1882-1966
- Knopf, Carl Sumner, 1889-1942
- Knopf, Eleanora Frances Bliss, 1883-1974
- Knopf, Fritz L., 1945-2015
- Knopf, Sigard Adolphus, 1857-1940
- Knoph, Johannes-Günther
- Knopki, Patrícia Bianco
- Knoppers, Bastiaan Adriaan
- Knops, J
- Knops, Johannes M H
- Knops, Peter
- Knorr, Andreas, 1949-
- Knorr, Fritz
- Knorr, Georg Wolfgang, 1705-1761
- Knorr, Julie D
- Knorr, Owen A
- Knorre, Dietrich von
- Knorz, Andreas, active 1676-1685
- Knost, Susan J
- Knotek, Adam
- Knotek, Johann
- Knotek, Ladd
- Knotková, Kateřina
- Knott, Brenton
- Knott, Cargill Gilston, 1856-1922
- Knott, David M.
- Knott, F. William.
- Knott, Karelyn Emily
- Knott, Mary E
- Knott, Nathan A
- Knottnerus-Meyer, Theodor, 1876-
- Knott'S Berry Farm,
- Knott's Berry Place.
- Knouse, Jack R
- Knowefield Nurseries.
- Knower, Henry McElderry, 1868-1940
- Knowler, John T, 1942-
- Knowles, Adrian P
- Knowles, Bruce
- Knowles, Charles G. F., active 1872-
- Knowles, Charles J.A.
- Knowles, Craig J.
- Knowles, D G
- Knowles, Etta L
- Knowles, F. A.
- Knowles, Francis Gerald William, 1915-1974
- Knowles, Francis H. S. (Francis Howe Seymour), 1886-1953
- Knowles, G. B. (George Beauchamp), active 1829-1852
- Knowles, Jamie
- Knowles, Jason T.
- Knowles, L Lacey
- Knowles, Lindy
- Knowles, Pamela R.
- Knowles, Paulden F. (Paulden Ford), 1916-1990
- Knowles, Peggy
- Knowles, Robert Patrick, 1919-
- Knowles, Ross
- Knowles, Travis W.
- Knowlson, Arthur
- Knowlson, John C.
- Knowlton, Clarence Hinckley, 1876-1956
- Knowlton, Elizabeth D
- Knowlton, F. G.
- Knowlton, Frank Hall, 1860-1926
- Knowlton, Frank P
- Knowlton, Frederick F.
- Knowlton, George F., 1901-1987
- Knowlton, J. M.
- Knowlton, Lydia Annie Hunter, 1864-1949
- Knowlton, Nancy
- Knowlton, Robert E
- Knox Academy of Arts and Sciences (Thomaston, Me.)
- Knox Fruit Farm and Nurseries.
- Knox Nurseries.
- Knox Seed Company.
- Knox, A Kate
- Knox, A. G. (Alan G.)
- Knox, Adam J
- Knox, Alice Adelaide
- Knox, Arthur Edward
- Knox, Carol Bauman
- Knox, Charles Webster, 1896-1969
- Knox, E.C.
- Knox, Elizabeth
- Knox, Eric B
- Knox, F. E.
- Knox, Gary Wayne
- Knox, George Alexander, 1919-2008
- Knox, Gordon D. (Gordon Daniell)
- Knox, Henry, 1750-1806
- Knox, J C
- Knox, John O.
- Knox, John, 1720-1790
- Knox, Kathy
- Knox, Kirsten
- Knox, Margaret L.
- Knox, Matthew A.
- Knox, R Bruce
- Knox, Robert, 1791-1862
- Knox, Warren (Warren William), 1897-1971
- Knoxville industrial association, Knoxville, Tenn.
- Knoxville Nursery Co.
- Knuckey, Graham
- Knudsen, Brian
- Knudsen, Carola
- Knudsen, Eric I
- Knudsen, Fernanda da Silva
- Knudsen, Henning Jørgen, 1948-
- Knudsen, Jens W
- Knudsen, Jørgen, 1918-2009
- Knudsen, Kathy Lynn, 1952-
- Knudsen, Kerry
- Knudsen, Mark Ford
- Knudson, Alexander H
- Knudson, Edward C
- Knudson, Ken
- Knudson, Lewis, 1884-1958
- Knudson, Michael
- Knuettel, Helge
- Knull Floral Company.
- Knull, Dorothy J.
- Knull, Josef Nissley 1891-1975
- Knülle, Willi
- Knüpffer, P
- Knupp, Donna
- Knüppel, Alfred Alexander Rudolf, 1860-
- Knüsel, Mara
- Knüsel, Simon
- Knuth, Paul, 1854-1899
- Knuth, Reinhard Gustav Paul, 1874-1957
- Knuth, Shannon T
- Knutsen, Bård, 1968-
- Knutsen, Gregory A.
- Knutsen, Lars Øivind
- Knutson, Donald
- Knutson, Lloyd, 1934-2018
- Knutson, Paul L.
- Knutson, R.
- Knutsson, Tommy
- Knutzen, John
- Kny, L. (Leopold), 1841-1916
- Knyazev, Andrey
- Knyazhnitskiy, Oleksiy V.
- Knysak, Irene
- Knysh, Kyle M.
- Knyshov, Alexander
- Knytl, Martin
- Knyvett, R. Hugh, 1918
- Ko, Chia-Wen
- Ko, Chia-Ying
- Ko, Chiun Cheng
- Ko, Nan-Jing, 1948-
- Ko, Sok
- Ko, Thida W Ko
- Ko, Wen-Hsiung
- Koakoski, Gessi
- Koane, Bonny
- Köb, EL.
- Kob, Johann Andreas, 1747-
- Kobak, Jaroslaw
- Kobak, Jarosław
- Kobal, Scott
- Kobayakawa, Yoshitaka
- Kobayashi, Bunshichi, 1862-1923
- Kobayashi, Donald R
- Kobayashi, Harujiro, 1884-19698
- Kobayashi, Hideshi, 1919-2012
- Kobayashi, Hirokuni
- Kobayashi, Josilaine Taeco
- Kobayashi, Kan
- Kobayashi, M N
- Kobayashi, Makoto
- Kobayashi, Mari
- Kobayashi, Michiyori
- Kobayashi, Shigeki
- Kobayashi, Shinjiro
- Kobayashi, Shuji
- Kobayashi, Shumpei
- Kobayashi, Sukeyuki
- Kobayashi, T
- Kobayashi, Taihei
- Kobayashi, Takakazu
- Kobayashi, Takuro
- Kobayashi, Teiichi, 1901-1996
- Kobayashi, Tetsuya
- Kobayashi, Tohru
- Kobayashi, Tsuyoshi
- Kobayashi, Wataru
- Kobayashi, Yasuo
- Kobayashi, Yoshimura
- Kobayasi, Hiromu, 1926-1996
- Kobbé, Frederick William, 1887-1946
- Kobbert, Max J
- Kobbia, Imam A.
- Kobby Grant, Martin
- Kobel, Hans Rudolf
- Köbele, Christian P
- Kobelkowsky Díaz, Abraham
- Kobel-Lamparski, Angelika
- Kobelt, Manuel
- Kobelt, Wilhelm, 1840-1916
- Københavns universitet. Botanisk have.
- Københavns universitet. Laboratorium for medicinsk bakteriologi.
- Københavns universitet. Zoologisk museum,
- Kober, Leopold, 1883-1970
- Kobes, Lutz W R, 1933-2016
- Kobiyama, Masato
- Kobler, Andrej
- Koblitz, Valdeni Soares de Oliveira
- Kobmoo, Noppol, 1982-
- Kóbor, Péter
- Kobori, Hiromi
- Kobozieff, Nicolas
- Kobuski, Clarence Emmeren, 1900-1963
- Koby, Frédéric-Edouard, 1890-1969
- Kobylinska, Jolanta
- Kobylnyk, Ron W.
- Kobzeva, Anastasiya A.
- Kobzina, Norma
- Koç, Halil
- Koç, Murat
- Kocakaya, Mustafa
- Kočárek, Petr
- Koch, Albert C.
- Koch, Amber
- Koch, Ana Kelly
- Koch, André
- Koch, Antal, 1843-1927
- Koch, Beverley L
- Koch, C
- Koch, C. L. (Carl Ludwig), 1778-1857
- Koch, Carl Jacob Wilhelm Ludwig, 1827-1882
- Koch, Carl.
- Koch, Claudia
- Koch, E. C. (Edward C.), 1914-1992