Seyed Abbas Araghchi (Persian: سید عباس عراقچی, Persian pronunciation: [ʔæbˌbɒːse æɾɒːˈɢtʃi]; born 5 December 1962 in Tehran) is an Iranian diplomat who is the former political deputy at the Ministry of Foreign Affairs of Iran from 2017 to 2021. He previously held office as the Deputy for Asia–Pacific and the Commonwealth Affairs and Legal and International Affairs of the Ministry of Foreign Affairs of Iran. He served as Iran's chief nuclear negotiator in talks with the P5+1, in Hassan Rouhani's government. He served as ambassador to Finland (1999-2003) and Japan (2007–2011).