Yakub Beg, Yakub Bey, or Ya'qub Beg may refer to:

• Yakub I of Germiyan (died c. 1340), bey of Germiyan
• Yakub II (died 1429), bey of Germiyan
• Yakup Bey Muzaka (died 1442), Ottoman sanjak-bey of Albania
• Yaqub Aq Qoyunlu (died 1490), sultan of the Aq Qoyunlu
• Yakub Beg of Yettishar (c. 1820–1877), emir of Yettishar

• Yakupbey, Meriç, a village in Edirne Province, Turkey

This disambiguation page lists articles associated with the title Yakub Beg.
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