Hasdai ben Hezekiah (Hebrew: חסדאי בן חזקיה) was the son of Hezekiah ben Solomon and thus was the ninth Karaite exilarch of the line of Anan ben David. He lived in Iraq during the eleventh and twelfth centuries. He was the father of Solomon ben Hasdai.

v t e Exilarchs
Biblical exilarchs	Jeconiah Shealtiel Pedaiah Zerubbabel Meshullam Hananiah Berechiah Hasadiah Jesaiah Obadiah Shemaiah Shecaniah Hezekiah Akkub
Exilarchs in the Sasanian Empire	Ahijah Nahum Johanan Shaphat Huna I Kamma Nathan Ukban I Huna II Nathan Ukban II Nehemiah Mar 'Ukban III Huna III Abba Nathan Mar Kahana I Huna IV Pahda Mar Zutra I Merimar Kahana II Huna V Mar-Zutra II Huna VI Mar Ahunai Kafnai Haninai I Mar Zutra III
Exilarchs under Arab rule	Bostanai Hasdai I Baradoi Haninai II Hasdai II Solomon I Isaac Iskawi I Judah Zakkai I Natronai I Moses Isaac Iskawi II David I Natronai II Judah II Hasdai III Zakkai I Mar Ukban IV David II Josiah Judah III Solomon II Hezekiah I Azariah David III Hezekiah II David IV Hezekiah III David V Hasdai IV Daniel I Zakkai II, Samuel I of Mosul, David VI Daniel II Samuel II Jesse Sar Shalom
Karaite exilarchs	Anan ben David Saul ben Anan Josiah ben Saul Jehoshaphat ben Josiah Boaz ben Jehoshaphat David ben Boaz Solomon ben David Hezekiah ben Solomon Hasdai ben Hezekiah Solomon ben Hasdai