هو أحمد بن العباس بن راشد بن حماد البغدادي، عالم إسلامي من القرن العاشر الميلادي . كتب وصف رحلته كعضو في سفارة الخليفة العباسي إلى ملك الصقالبة (بلغار الفولجا)سنة 921 م. Ahmad ibn Fadlān ibn al-Abbās ibn Rāšid ibn Hammād (Arabic: أحمد بن فضلان بن العباس بن راشد بن حماد‎) was a 10th-century Arab traveler, famous for his account of his travels as a member of an embassy of the Abbasid Caliph of Baghdad to the king of the Volga Bulgars. His account is most known for providing a description of the Volga Vikings, including an eyewitness account of a ship burial. He provided descriptions for various other peoples, most notably Turkic peoples such as the Oghuzes, Pechenegs, Bashkirs, and Khazars.