Something I've had for quite some time...
Most Kills in One Mission
Rudorffer, Erich 13 kills 11/1943 II/JG 54 USSR
Germany
Most Kills in One Day
Lang, Emil 18 kills 11/1943 5/JG 54 USSR
Marseille, Hans-Joachim 17 kills 09/1942 3/JG 27 Africa
Lambert, August 17 kills 05/1944 II/SG 2 USSR
Straßl, Hubert 15 kills 07/1943 8/JG 51 USSR
Rudorffer, Erich 14 kills 11/1943 II/JG 54 USSR
Lambert, August 14 kills 05/1944 II/SG 2 USSR
Schall, Franz 13 kills 08/1944 3/JG 52 USSR
Lang, Emil 12 kills 10/1943 5/JG 54 USSR
Wiese, Johannes 12 kills 07/1943 I./JG 52 USSR
Schuck, Walter 12 kills 06/1944 7./JG 5 USSR
Lambert, August 12 kills 04/1944 II./SG 2 USSR
Rudorffer, Erich 11 kills 10/1944 II./JG 54 USSR
Wolfrum, Walter 11 kills 05/1944 5./JG 52 USSR
Schall, Franz 11 kills 08/1944 3./JG 52 USSR
Dickfeld, Adolf 11 kills 05/1942 7./JG 52 USSR
Hartmann, Erich 11 kills 08/1944 III./JG 52 USSR
Krupinski, Walter 11 kills 07/1943 7./JG 52 USSR
USA
Most Kills in One Day
NAME VICTORIES DATE UNITS
Leverette, William L. 7 1943-10-09 37 FS ( MTO)
McCampbell, Dave 7 1944-06-19 VF-15 ( USN)
McCampbell, Dave 7 1944-10-24 VF-15 ( USN)
Shomo, William A. 7 1945-01-11 82 TRS ( 5AF)
Sweet, James E. 7 1943-04-07 VMF-221 (USMC)
Vejtasa, Stanley W. 7 1942-10-26 VF-10 ( USN)
Christensen, Fred J. 6 1944-07-07 62 FS ( 8AF)
Dorroh, Jefferson D. 6 1945-04-22 VMF-323 (USMC)
Funk, Harold H. 6 1944-10-24 VF-26 ( USN)
Green, Herschel H. 6 1944-01-30 317 FS (15AF)
Kearby, Neel Earnest 6 1943-10-11 348 FG ( 5AF)
Preddy, George E. 6 1944-08-06 487 FS ( 8AF)
Shubin, Murray J. 6 1943-06-16 339 FS (13AF)
Vraciu, Alex 6 1944-06-19 VF-27 ( USN)
Wainwright, John H., Jr. 6 1944-09-28 508 FS ( 9AF)
Webb, Wilbur W. 6 1944-06-19 VFN-76 ( USN)
Whisner, William T., Jr. 6 1944-11-21 487 FS ( 8AF)
Britian and Commonwealth
Most Kills in One Day
NAME VICTORIES DATE UNIT
Cooke, Nicholas Gresham 10 1940-05-29 294 British
Dyson, Charles Harold 7 1940-12-11 33 British
Pattle, Marmaduke Thomas St John 7 1941-04-19 33 SA
Clisby, leslie Redford 6 1940-05-12 1 Aust
Lewis, Albert Gerald 6 1940-09-27 249 SA
Young, Michael Hugh 6 1940-05-29 264 British
JAPAN
Most Kills in One Day
NAME VICTORIES DATE AIRFORCE
Nishizawa, Hirojoshi 15 1943-08-04 JNAF
Sugita, Sho-ichi 14 1943-07-18 JNAF
Nishizawa, Hirojoshi 11 1943-07-25 JNAF
Sugita, Sho-ichi 9 1943-08-06 JNAF
Sugita, Sho-ichi 9 1943-08-15 JNAF
Yamamoto, Akiro 9 1942-06-04 JNAF
Nishizawa, Hirojoshi 8 1943-07-15 JNAF
Nishizawa, Hirojoshi 7 1943-07-31 JNAF
Nishizawa, Hirojoshi 7 1943-08-21 JNAF
Nishizawa, Hirojoshi 6 1942-03-14 JNAF
Nishizawa, Hirojoshi 6 1942-08-07 JNAF
Sakai, Saburo 6 1942-05-25 JNAF
Sugita, Sho-ichi 6 1943-02-14 JNAF
Sugita, Sho-ichi 6 1943-03-28 JNAF
Sugita, Sho-ichi 6 1943-07-07 JNAF
Sugita, Sho-ichi 6 1943-08-12 JNAF
SOVIET UNION
Most Kills in One Day
NAME VICTORIES DATE UNITS
Didenko, Gavril Vlasovič 13 1943-07-02 907 IAP ? 0+9
Bastrikov, Aleksandr Michailovič 11 1943-05-08 15 IAP 1.
Gorovec, Aleksandr Konstantinovič 8 1943-07-06 166 IAP ? 9
Kuzmin, Nikolaj Georgijevič 8 1945-03-16 212 GIAP
Petrušev, V. S. 8 1945-03-16 212 GIAP
Zajcev, I. P. 8 1945-03-16 212 GIAP
Kuzněcov, Michail Vasiljevič 7 1945-02-23 106 IAP
Čvatov, Dmitrij Aleksejevič 6 1941-06-22 67 IAP
Pichota, Andrej Jefimovič 6 1941-07-09 221 DBAP
Skljarov, Ivan Grigorjevič 6 1944-01-14 193 IAP
Sučkov, A. N. 6 1942-07-13 95
Volodin, K. 6 1942-07-13 95
Gluškov, Nikolaj Lvovič 6 1944-02-09 148 GIAP ON
Trofimov, Jevgenij Fjodorovič 6 1944-02-09 148 GIAP ON