Arechi

Arechi may refer to:


 * Archi, Iran, a village in Karipey Rural District, Lalehabad District, Babol County, Mazandaran Province, Iran
 * Arechis I of Benevento (died 641), duke of Benevento
 * Arechis II of Benevento (died 787), duke of Benevento
 * Stadio Arechi, a multi-purpose stadium in Salerno, Italy, named after Arechis II of Benevento
 * Arechi, a Japanese literary journal; see Ryūichi Tamura