People associated with Karaite Judaism include:
Early Karaite Period — 8th-9th centuries (700-899 CE)
‘Anan ben David, founder of the Annanites which would later be absorbed into Kara'ism
Benjamin al-Nahawandi, regarded by some as the proper originator of Kara'ism as it has come down through the ages
Golden Age — 10th-12th centuries (900-1199 CE)
Aharon ben Mosheh ben Asher (died c.960 CE), refiner of the Tiberian writing system, regarded as having produced the most accurate version of the Masoretic Text
Daniel al-Qumisi, Kara'ite scholar, polemicist, proto-Zionist, and compiler of the legal code Sefer ha-Mitzvot
Ya'akov Qirqisani aka al-Kirkisani, dogmatist, author, and exegete of the early 10th century
Yehudah Hadasi, 12th century scholar, philosopher, and grammarian from Constantinople
Solomon ben Jeroham, exegete and controversialist
Yefet ben Ali, Babylonian commentator on the Bible
Middle Period — 13th-17th century (1200-1699 CE)
Aaron ben Elijah of Nicomedia (1328/9-1369), perhaps the most prominent Kara'ite theologian, considered the Kara'ite equivalent of his rabbinic contemporary, Maimonides
Elijah Bashyazi (1420-1490), Hakham who codified Kara'ite laws
Yiṣḥaq b. Avraham of Troki, 16th century Lithuanian Kara'ite philosopher and writer who wrote the important apology or defense of Judaism vis-a-vis Christianity entitled Ḥizzuq Emunah (Fortification of Faith)
Early-Modern Era — 18th-19th centuries (1700-1947 CE)
Abram Samoilovitch Besicovitch (1891-1970), Russian-English mathematician
Adolph Joffe (1883-1927), Russian communist revolutionary, Bolshevik politician, Soviet diplomat
Avraham Firkovich, famous leader of the Crimean Karaites, a very important collector of manuscripts, who was an amateur archeologist
Samuel Maykapar (1867-1938), Soviet composer
Seraya Shapshal (1873-1961), ḥakham of the Lithuanian Karaite community
Sima Babovich (1790-1855), ḥakham of the Crimean Karaites
Current-Modern Era — 20th-21st centuries (1948 CE-present)
Avrom Aryeh-Zuk Kahana, Author of the Kahana Chronicles series of books and publisher of the website blog Kahana's Voice
Avraham Kefeli, Ḥazzan in Ashdod, Israel
Avraham Qanaï, Ḥakham of the Kara'ite congregation “Oraḥ Ṣaddiqim” in Albany, New York
Melech ben Ya'aqov, Ḥakham of the World Alliance of Qara'im, and maintains the website Karaite Insights
Joe Pessah, Congregation leader of congregation B'nai Y'Israel in Daly City, California
Meir Rekhavi, Ḥakham and co-founder of the World Karaite Movement, holds the position of Chancellor for the Karaite Jewish University, maintains the website Rekhavi.karaitejudaism.org
Moshe Marzouk (1926-1955), Egyptian Kara'ite Jew, hanged by Egypt for his participation in Israel's Operation Suzannah, also called the Lavon Affair
Nehemia Gordon, Author/scholar, and co-founder of the World Karaite Movement
Moshe ben Yosef Firrouz, Chief Rabbi and Vice-Chancellor of Karaite Jewish University, maintains the Karaim.net website
Yochanan Zaqantov, Hazzan and Dean of Students of Karaite Jewish University, maintains the KaraiteJudaism.org website