Soleyman Khan Qajar (Persian: سلیمان خان قاجار; died 1806) was a military commander under his maternal cousin Agha Mohammad Khan Qajar, the founder of the Qajar dynasty of Iran. In 1799, Soleyman Khan and Mirza Bozorg Qa'em-Maqam were appointed as the adjutants of Crown Prince Abbas Mirza. Soleyman Khan remained with him until his death in 1806.