Twenty species of scorpions belonging to three families are reported from the Hormozgan Province of Iran. Of these, eight species and subspecies are recorded from the province for the first time: Buthacus macrocentrus (Ehrenberg, 1828), Compsobuthus persicus Navidpour et al., 2008, Iranobuthus krali Kovařík, 1997, Mesobuthus eupeus persicus (Pocock, 1899), Mesobuthus phillipsii (Pocock, 1889), Odontobuthus bidentatus Lourenço & Pézier, 2002, Odontobuthus doriae (Thorell, 1876), and Razianus zarudnyi (Birula, 1903). Odontobuthus tavighiae sp. n. is described and compared with all species of the genus Odontobuthus Vachon, 1950. Paraorthochirus goyffoni Lourenco et Vachon, 1995 is synonymized with Orthochirus farzanpayi (Vachon et Farzanpay, 1987). Also presented are keys to all species of scorpions found in the Hormozgan province and all species of the genus Odontobuthus Vachon, 1950.