Polish boxer Adam Kozák (born 1999), Czech volleyball player Adam Kozłowiecki (1911–2007), Zambian Archbishop Adam Kraft (c. 1460–1509), German sculptor and master builder Adam Krajewski (1929–2000), Polish fencer Adam August Krantz (1809–1872), German mineralogist Adam Stanisław Krasiński (1714–1800), Polish noble Adam Kraus (born 1984), American football player Adam Krčík (born 1996), Slovak footballer Adam Kreek (born 1980), Canadian author, businessman, and rower Adam Krieger (1634–1666), German composer Adam Krijanovski, Russian politician Adam Krikorian (born 1974), American water polo coach Adam Królikiewicz (1894–1966), Polish horse rider and Army major Adam Krug (born 1983), American ice hockey player and coach Adam Krupa (born 1952), Polish footballer Adam Krupski (1706–1748), Polish professor, philosopher, and priest Adam Krzemiński (born 1945), Polish journalist ad commentator Adam Krzesiński (born 1965), Polish fencer Adam Krzysztofiak (1951–2008), Polish ski jumper Adam Krzyzak, Canadian computer engineer Adam Książek (born 1967), Polish footballer Adam Kszczot (born 1989), Polish middle-distance runner Adam Kuban (born 1974), American blogger, editor, and publisher Adam Kubert (born 1959), American comic book artist Adam Kuby (born 1961), American sculptor, visual artist, and landscape designer Adam Kuckhoff (1887–1943), German writer, journalist, and German resistance member Adam Kucz (born 1971), Polish footballer Adam Kuhlman, American animation director Adam Kuhn (1741–1817), American physician, naturalist, and professors Adam Kułach (born 1965), Polish diplomat Adam Kuligowski (born 1955), Polish chess master Adam Kunkel (born 1981), Canadian hurdler Adam Kunkel (born 1999), American basketball player Adam Kuper (born 1941), South African anthropologist Adam Kurak (born 1985), Russian wrestler Adam Kury (born 1969), American bassist and vocalist Adam Kwasman (born 1982), American attorney and politician Adam Kwasnik (born 1983), Australian footballer L Adam Lach (born 1983), Polish photographer Adam LaClave, American musician and singer Adam Lacko (born 1984), Czech racing driver Adam Laczkó (born 1997), Slovak footballer Adam Lallana (born 1988), English footballer Adam Lam (born 1987), Israeli footballer Adam Lamberg (born 1984), American actor Adam Lambert (born 1982), American singer Adam Lambert (born 1997), Australian snowboarder Adam Lamhamedi (born 1995), Moroccan-Canadian alpine skier Adam Leroy Lane (born 1964), American convicted murderer, dubbed as the Highway Killer Adam Lange (born 1979), Australian rules footballer Adam Langer (born 1967), American author Adam Lanza (1992–2012), American spree killer, perpetrator of the 2012 Sandy Hook Elementary School shooting Adam I. Lapidus (born 1963), American television writer Adam LaRoche (born 1979), American baseball player Adam Larsson (born 1992), Swedish ice hockey player Adam LaVorgna (born 1981), American