8 Cheshvan - Rabbeinu Yonah ben Avrohom of Gerondi (1263) Author of Shaarei Tshuvah
8 Cheshvan - R' Nochum "Hachassid" of Horodno, Lithuania (1879) Rebbe of the Chofetz Chaim
8 Cheshvan - R' Yaakov Rosenheim, a founder of Agudas Yisrael (1965)
8 Cheshvan - R' Moshe Yosef Hakohen Tawil (1977), From the great Rabbonim of Aram Soba
9 Cheshvan - Rabeinu Asher ben Yechiel, the Rosh (1327)
9 Cheshvan - R' Yosef Leib Bloch, the Telzer Rosh Yeshiva (1928)
9 Cheshvan - R' Shimon Yehuda ben R' Yitzchok Shmuel HaKohen Shkop of
9 Cheshvan - R' Yehuda ben R' Yitzchok Horowitz of Stutchin (1981) Descendant, ben acher ben, from R' Naftali of Ropshitz.
9 Cheshvan - R' David Laniado, of Aram Soba, author of Likedoshim Asher Ba'aretz
10 Cheshvan - Gad ben Yaakov (1563-1438 B.C.E.)
10 Cheshvan - R' Avraham Oppenheim, author of Aishel Avraham on Shulchan Oruch (1786)
10 Cheshvan - R' Dov Berish Weidenfeld, the Tchebiner Rov (1965) One of the Gedolei Hador of his time in Eretz Yisroel
11 Cheshvan - Mesushelach ben Chanoch, died at age 969. (2103 B.C.E.)
11 Cheshvan - Rachel Imeinu (1552 B.C.E.) (according to the GRA, she was 36 years old, according to Sefer Hayashar, 45)
11 Cheshvan - Binyamin ben Yaakov Avinu (1441 B.C.E.)
11 Cheshvan - R' Menachem Nachum ben R' Tzvi Twersky, of Chernobyl, Me'or Einayim (1797)
11 Cheshvan - R' Avraham ben R' Yitzchok Matisyahu Weinberg, First Slonimer Rebbe, author of Yesod HaAvoda (1883) He was a talmid of R' Noach and R' Michel of Lechovitch and R' Moshe of Kobrin.
11 Cheshvan - R' Yehuda Leib Chasman, mashgiach of Yeshivas Chevron (1936)
11 Cheshvan - R' Pesach Pruskin, Rov and Rosh Yeshivah in Kobrin (1940) He was one of the Rabbeim of R' Moshe Feinstein.
12 Cheshvan - R' Zev Wolf Kitzis (1788) Talmid and Baal Tokea of the Baal Shem Tov, who he is buried immediately next to.
12 Cheshvan - R' Nochum of Shadik, Great Rov in Yerushalayim (1866)
12 Cheshvan - R' Yehuda ben R' Shaul Tzadka, Rosh Yeshiva of Porat Yosef (1992)
13 Cheshvan - R' Yehuda HaChosid, author of Sefer Chasidim (1217) son of ben R' Shmuel HaChosid (There are many different dates given as his yartzeit and I don't know which one is accurate)
13 Cheshvan - R' Tzvi Shraga Grossbard, head of Chinuch Atzmai in Eretz Yisrael (1993)