Seyyedabad (Persian: سيداباد‎, also Romanized as Seyyedābād and Saiyidābād; also known as Seyyedābād-e Amīrābād and Seyyedābād-e Mīrābād) is a village in Qohestan Rural District, Qohestan District, Darmian County, South Khorasan Province, Iran.