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)
4 Teves - R' Gershon Chanoch Henoch Leiner of Radzin (1890) ben R' Yaakov of Izhbitza was the The Baal Hatecheles and author of many seforim
4 Teves - R' Yaakov Shaul Kassin, head of New York Syrian community
4 Teves - R' Mordechai Pinchos Teitz (1995), Rov of Elizabeth, New Jersey.
5 Teves - R' Shlomo Molcho HY"D (1534), arrested by the Inquisition in Spain, he recited
Shema with great joy as he was burned at the stake.
6 Teves - R' Yaakov Reischer, author of Chok Yaakov and Shvus Yaakov
7 Teves - R' Moshe Dovid Vally, talmid of the Ramchal, who wrote a Kabalistic peirush on Tanach
7 Teves - R' Tzvi of Mezhibuz-Pinsk (1779) ben R' Yisroel Baal Shem Tov
7 Teves - R' Mordechai Yosef Leiner of Izhbitza (1878) ben R' Yaakov
9 Teves - Ezra Hasofer (320 B.C.E.)
9 Teves - Nechemia ben Chachilya (372 B.C.E.)
9 Teves - R' Ezra (1227), one of the Baalei Tosefos and Rebbe of the Ramban
10 Teves - Malachi Hanavi, end of the era of prophecy (317 B.C.E.)
10 Teves - R' Nosson ben R' Naftali Hertz Sternhartz of Breslov (1844), the leading talmid of R' Nachman of Breslov, compiler and author of many seforim. Reb Nachman said that he was his "Yehoshua", and that without him none of his teachings would have been spread the way they were. See Likutei Tefilos.
10 Teves - R' Avraham Abba ben R' Yosef Leifer (1989), Pittsburgher Rebbe, lived in Pittsburgh and New York before moving to Ashdod in Eretz Yisroel. See Pittsburgher Rebbe Reveals the Loftiest Kavana of the Mikva.
11 Teves - R' Shlomo Eiger, author of Gilyon Maharsha (1852) son of R' Akiva Eiger
11 Teves - R' Yehoshua ben R' Meir Horowitz of Dzikov, author of Ateres Yeshua (1912)
11 Teves - R' Yaakov Yosef Shlomo ben R' Chaim Dov Halperin of Vasoloi-Tel Aviv (1984) descendant of R' Yisroel of Ruzhin
12 Teves - R' Moshe Margulies, author of Pnei Moshe on Talmud Yerushalmi (1781) Rebbe of the Vilna Gaon
12 Teves - R' Mordechai Chaim ben R' Yehuda Leib Kastelanitz of Slonim (1953) was one of the closest of the talmidim of the Slonimer Rebbes
13 Teves - Rav Yitzchak ben R' Asher Anshel Hakohen Huberman, the tzaddik of
13 Teves - Rav Yechiel Mordechai Gordon, Rosh Yeshivas Lomza (1965)
13 Teves - R' Shraga Feivush ben R' Boruch Hager of Zelishitshick (1936)
13 Teves - R' Menachem Mendel ben R' Yisroel Hager of Vishiveh (1941) Rosh
Yeshiva of Vizhnitz
13 Teves - R' Tzvi Hersh (Shmelkes) of Ostroh (1789) ben R' Shmuel, talmid of the Baal Shem Tov. He was considered the greatest chosid in Ostrah, was a great mekubal and is the subject of many miraculous stories
14 Teves - R' Alter Elazar Menachem ben R' Moshe Mordechai Biderman of Lelov (2001) Beloved tzadik from Bnei Brak.
14 Teves - R' Reuven Dov Dessler (1935) father of R' Eliyahu Dessler
14 Teves - R' Tzvi Hirsh of Teplik (1928), Breslover Tzadik
14 Teves - R' Mordechai Twersky of Lavoi (1905)
15 Teves - Mesharshia bar Pakud, Amora
15 Teves - Rav Huna, Amora
15 Teves - Mari bar Mar Zutra, Amora
15 Teves - R' Chaim Mordechai ben R' Itamar Rosenbaum of Nadvorna (1978)
21 Teves - Rav Matzliach Mazuz of Djerba HY"D, author of Ish Matzliach (1971)
22 Teves - R' Sholom ben R' Mordechai Yosef Moshe Moskovitz, the Shotzer Rebbe of London. He promised to help anyone who comes to his kever and lights 3 candles(1958)
22 Teves - R' Shmuel Heller, Rav of Tzefas (1884)
23 Teves - R' Mordechai Gifter (2001), Rosh Yeshiva of Telz
24 Teves - R' Naftali ben R' Yitzchok Hakohen Katz (1719, some have the date as 26 Teves), author of Semichas Chachomim and Rov of Ostraha and Frankfurt-on-Main. He is buried in Istanbul, where he died, en route to Eretz Yisroel. He was a descendant of the Maharal of Prague. R' Nachman of Breslov was one of his descendants
24 Teves - R' Shneur Zalman ben R' Boruch of Liadi (1813), first Lubavitcher Rebbe, author of the Tanya and Shulchan Aruch Harav
24 Teves - R' Shmuel Borenstein of Sochatchov (1926), the Shem MiShmuel son of ben R' Avrohom, the Avnei Nezer
24 Teves - R' Avraham Shmuel Binyamin ben R' MosheSofer, author of the Teshuvos Divrei Sofer (1948) descendant of the Chasam Sofer
24 Teves - R' Moshe Mordechai ben R' Shimon Noson Nota Biderman of Lelov (1987) Great tzadik from a family that was in Yerushalayim since 1850.
25 Teves - R' Moshe Tzvi ben R' Shimon Shlomo Giterman of Savran (1837) was a talmid of R' Levi Yitzchok of Berditchev and R' Boruch of Mezibuz. He was a fierce opponent of R' Noson of Breslov, though interestingly his son, R' Shimon Shlomo was on good terms with the Breslover Chassidim.
29 Teves - R' Nosson Adler of London (1890) ben R' Mordechai, author of Nesina Leger
29 Teves - R' Moshe Yehoshua Yehudah Leib (1898) ben Binyomin Diskin, best know as the Maharil Diskin. He was the Rav of Brisk and Jerusalem.