Chanukah Yartzeits

25 Kislev - R' Avrohom Mordechai Nissim Harari Raful (1991)
25 Kislev - R' Yochanan ben R' Dovid Mordechai Twersky of Tolna (1998)
25 Kislev - R' Shlomo Zalman (1758), father of the Vilna Gaon (1758)
25 Kislev - R' Avrohom (1808), son of R' Eliyahu, the Vilna Gaon (1808)
25 Kislev - R' Chaim Chizkiyahu ben R' Refoel Eliyahu Medini (1904), Sdei Chemed
25 Kislev - R' Yaakov Etlinger (1871), author of Aruch Lener and Binyan
Tzion

26 Kislev - R' Avrohom bar Dovid, the Raavad, Baal Hasagos (1197)
26 Kislev - R' Yehoshua Zelig Diskin, Rov of Pardes Chana (1970)
26 Kislev - R' Elazar ben R' Moshe Elyokim Briah of Koznitz (1861)
26 Kislev - R' Yosef ben R' Ahron Perlow of Koidenov (1915) Descendant, ben acher ben from the Lechovitcher.

27 Kislev - R' Chaim ben R' Shlomo of Tchernowitz (1816) author of Be'er Mayim
Chaim, Sidduro Shel Shabbos and others.
27 Kislev - R' Avrohom Yitzchok ben R' Ahron Dovid Kohn, the Toldos Aharon
Rebbe (1996) son-in-law of R' Ahron Roth, the Shomer Emunim

28 Kislev- R' Uziel Meizlish of Ritshval ben R' Tzvi Hirsch (1785) talmid of
the Magid of Mezrotch and author of many seforim, including Tiferes
Uziel, Eitz Hadaas Tov and Menorah Hatehorah
28 Kislev - R' Boruch Dovid ben R' Mordechai Dov Twersky of Hornesteipil (1925)
28 Kislev - R' Moshe Torgeman, a Rebbe of Baba Sali

29 Kislev - R' Chizkiyah diSilva, author of Pri Chodosh
29 Kislev - R' Avrohom Meyuchas (1767) Great Mekubal and Posek in Eretz Yisroel
29 Kislev - R' Gedalia ben R' Yitzchok of Linitz (1803) The Baal Shem Tov, who he saw several times, regarded him very highly. Talmid of the Toldos Yaakov Yosef and the Mochiach of Polonya. R' Nachman Breslover held of him very highly as can be seen from Likutei Moharan 14, which was originally given over after R' Gedalia's passing.
29 Kislev - R' Avrohom ben R' Nachman Chazan (1907), leader of Breslov after R' Noson. He wrote many seforim, including Kochvei Ohr and Biur Halikutim on Likutei Mohoran.
29 Kislev - R' Shlomo of Vilna, author of Cheshek Shlomo
29 Kislev - R' Tzvi Mordechai ben R' Avrohom Moshe of Peshischa (1866) son-in-law of R' Yitzchok of Vorka
29 Kislev - R' Yisroel ben R' Mordechai Shraga Feivish of Husyatin (1948) See this famous story.
29 Kislev - R' Shlomo Dovid Kahana of Warsaw-Yerushalayim, Known as the "Father of
agunos"
29 Kislev - Rav Zushe Waltner, Rosh Yeshiva in Sunderland and Tangier

30 Kislev - R' Dovid Halberstam of Sokolov (1939) ben R' Moshe of Shiniva, the son of the Divrei Yechezkel of Shiniva. He is buried in Queens, NY at Union Field Cemetery.
30 Kislev - R' Elazar ben R' Shlomo Yehuda Weitzhandler (1984) one of the Chashuvei Breslov
30 Kislev - R' Nochum ben R' Yehonoson Starkis (If this is the correct one. I saw the name also written as Nachman) Legendary figure in Breslov. He was tortured by the Russian communists y's' but made it to Eretz Yisroel.
30 Kislev - R' Dovid Oppenheim, Av Bes Din of Reznitz

1 Teves - Avrohom Avinu (Bava Basra 91a). 1 Tishrei or Nissan according
to others (Moed Katan 28a)
1 Teves - R' Yair Chaim ben R' Moshe Shimshon Bachrach (1702) author of Chavos Yair and Rov of Worms. He was a descendant of the Maharal.
1 Teves - R' Yosef Hamaaravi, Baal Mofes and talmid of the Arizal, buried in Kfar Elchamama in
Tunisia
1 Teves - R' Avrohom Moshe ben R' Simcha Bunim of Peshischa (1828)
1 Teves - R' Moasoud Refoel Alfasi (1774) Great tzadik of Morocco and Tunisia

2 Teves - R' Yaakov Ibn Tzur, author of Mishpat U'Tzedaka L'Yaakov

3 Teves - R' Chaim Leib ben R' Refoel Alter Shmuelevitz (1978), Legendary Rosh Yeshiva of the Mirrer Yeshiva
3 Teves - R' Avrohom ben R' Yehuda Tzvi Brandwein of Stretin (1864)