Shaidar farko ta zama a Amman ta kasance a cikin karni na 8 BC, a cikin rukunin Neolithic da aka sani da 'Ain Ghazal, inda aka gano tsoffin mutum-mutumi na siffar ɗan adam a duniya. A lokacin Iron Age, an san birnin da Rabat Aman kuma ya zama babban birnin Masarautar Ammonawa . A karni na 3 BC, Ptolemy II Philadelphus, Fir'auna na Ptolemaic Masar, an sake gina birnin kuma an sake masa suna "Philadelphia", yana mai da shi cibiyar yanki na al'adun Hellenistic . A karkashin mulkin Romawa, Philadelphia na ɗaya daga cikin biranen Greco-Roman guda goma na Decapolis kafin a yi masa sarauta kai tsaye a matsayin wani yanki na lardin Arabiya Petraea . Halifancin Rashidun ya mamaye birnin daga hannun Rumawa a karni na 7 miladiyya, ya maido da tsohon sunansa na Semitic sannan ya kira shi Amman. Amman an yi watsi da shi sosai tun daga karni na 15 har zuwa 1878, lokacin da hukumomin Ottoman suka fara daidaita Circassians a can.[3]