Mehdi () is a masculine given name and surname of Arabic origin, meaning "rightly guided". The name is a variation of the name Mahdi. Other, less common variations are Medi, Mehti, Meyti, Metti, Madi, Maadi, Mahadi, and Mehedi. Notable people with the name include:

Given name Mehdi Abbasov (1960–1992), Azerbaijani war hero Mehdi Abdesmad (born 1991), Canadian-American football player Mehdi Abdi (born 1998), Iranian footballer Mehdi Abdi (born 1989), Iranian footballer Mehdi Abeid (born 1992), Algerian footballer Mehdi Abrishamchi (born 1947), Iranian dissident Mehdi Abtahi (born 1963), Iranian footballer Mehdi Addadi (born 1978), Algerian swimmer Mehdi Aghavali (born 1982), Iranian wrestling referee Mehdi Ahmadi (born 1966), Iranian painter, film actor, and artist Mehdi Aidet (born 1953), Algerian athlete Mehdi Akhavan-Sales (1929–1990), Iranian poet Mehdi Alamah (born 1991), Jordanian footballer Mehdi Aliyari (born 1989), Iranian Greco-Roman wrestler Mehdi Amini (born 1998), Iranian footballer Mehdi Aminrazavi (born 1957), Iranian scholar of philosophy and mysticism Mehdi Amirabadi (born 1979), Iranian footballer Mehdi Ansari (born 1994), Iranian swimmer Mehdi Siraj Ansari (1895–1961), Iranian Islamic scholar Mehdi Araghi (1930–1979), Iranian political dissident Mehdi Asgarkhani (born 1948), Iranian footballer Mehdi Assous (born 1977), Algerian boxer Mehdi Attar-Ashrafi (1948–2021), Iranian weightlifter Mehdi Ben Attia (born 1968), Tunisian film director, screenwriter, and actor Mehdi Ayachi (born 1985), Tunisian singer and composer Mehdi Azaiez (born 1974), French Islamic studies scholar Mehdi Azar (1901–1994), Iranian physician and politician Mehdi Azizian (born 1956), Iranian businessman and economist Mehdi Baala (born 1978), French middle-distance runner Mehdi Baaloudj (born 2001), French-Algerian footballer Mehdi Badrlou (born 1986), Iranian footballer Mehdi Baghdad (born 1985), French mixed martial artist Mehdi Bagheri (born 1980), Iranian kamancheh player and composer Mehdi Bahadori (born 1933), Iranian mechanical engineer Mehdi Bahmad, Moroccan-Canadian singer, songwriter, producer, director, and visual artist Mehdi Bajestani (born 1974), Iranian actor Mehdi Bakeri (1954–1985), Iranian military officer Mehdi Baki (born 1988), French actor, dancer, and choreographer Mehdi Bali (born 1997), Iranian Greco-Roman wrestler Mehdi Ballouchy (born 1983), Moroccan footballer Mehdi Bamdad (died 1973), Iranian civil servant and historian Mehdi Bardhi (1927–1994), Kosovar linguist, author, and teacher Mehdi Ben Barka (1920–??), Moroccan politician Mehdi Barkeshli (1912–1988), Iranian musician, composer, violinist, and researcher Mehdi Barsaoui (born 1984), Tunisian filmmaker Mehdi Bashiri (born 1992), Iranian scientist, inventor, academic, and writer Mehdi Bayani (1906–1968), Iranian calligraphy, writer, researcher, and professor Mehdi Bayat (born 1979), French-Iranian businessman Mehdi Bazargan (1907–1995), Iranian politician Mehdi Bazargard (born 1979), Iranian volleyball player Mehdi Qoli Beg (died 1618), Chagatai ruler in Khorasan Mehdi Behzad (born 1936), Iranian mathematician Mehdi Belhadj (born 1995), French middle and long-distance runner Mehdi Benabid (born 1998), Moroccan footballer Mehdi Benaldjia (born 1991), Algerian footballer Mehdi Benchikhoune (born 1996), Algerian footballer Mehdi Beneddine (born 1996), French footballer Mehdi Benhamouda (born 1995), French racing cyclist Mehdi Bennani (born 1983), Moroccan racing driver Mehdi Bennouna (died 2010), Moroccan nationalist, writer, and journalist Mehdi Bensib (born 1994), Tunisian footballer Mehdi Hassan Bhatti (born 1955), Pakistani politician Mehdi Bijari (born 1983), Iranian handball player Mehdi Bouadla (born 1982), French-Algerian boxer Mehdi Boudjemaa (born 1998), French footballer Mehdi Boukamir (born 2004), Belgian-Moroccan footballer Mehdi Boukassi (born 1996), Algerian footballer Mehdi Bounou (born 1997), Belgian footballer Mehdi Bourabia (born 1991), Moroccan footballer Mehdi Bozorgmehr (born 1971), Iranian musician and composer Mehdi Bushati (born 1939), Albanian footballer Mehdi Carcela (born 1989), Belgian-Moroccan footballer Mehdi Cerbah (1953–2021), Algerian footballer Mehdi Chaambi (born 1965), Tunisian wrestler Mehdi Chahiri (born 1996), French footballer Mehdi Chahkoutahzadeh (born 1989), Iranian footballer Mehdi Chamanara (born 1987), Iranian footballer Mehdi Chamran (born 1941), Iranian architect and politician Mehdi Charef (born 1952), French-Algerian film director and screenwriter Mehdi Abid Charef (born 1980), Algerian football referee Mehdi Ben Cheikh (born 1979), Tunisian volleyball player Mehdi Cheriet (born 1987), French-Algerian basketball player Mehdi Çoba (born 2000), Albanian footballer Mehdi Courgnaud (born 1990), French footballer Mehdi Daghagheleh (born 1990), Iranian footballer Mehdi Dagher (born 1990), Iranian footballer Mehdi Danesh-Yazdi (born 1952), Iranian diplomat Mehdi Davatgari (born 1966), Iranian lawyer and politician Mehdi Dehbi (born 1985), Belgian actor and theatre director Mehdi Ben Dhifallah (born 1983), Tunisian footballer Mehdi Dibaj (1935–1994), Iranian Christian pastor and martyr Mehdi Difallah (born 1984), French basketball referee Mehdi Dinvarzadeh (born 1955), Iranian footballer and coach Mehdi Dorval (born 2001), French-Algerian footballer Mehdi Eslami (born 1985), Iranian footballer Mehdi Eslami (born 1992), Iranian footballer Mehdi Essadiq (born 1986), Moroccan triathlete Mehdi Essoussi (born 2001), Tunisian footballer Mehdi Fakhimzadeh (born 1942), Iranian actor, director, screenwriter, and producer Mehdi Fat'hi (1939–2004), Iranian actor and voice actor Mehdi Fennouche (born 1993), French-Algerian footballer Mehdi Filali (born 1999), French karateka Mehdi Fonounizadeh (born 1962), Iranian footballer Mehdi Forough (1911–2008), Iranian scholar and author Mehdi Frashëri (1872–1963), Albanian intellectual and politician Mehdi Moradi Ganjeh (born 1964), Iranian wrestler Mehdi Gara (born 1981), Tunisian volleyball player Mehdi Fard Ghaderi (born 1986), Iranian film director, screenwriter, and film producer Mehdi Ghadyanloo (born 1981), Iranian artist, painter, and muralist Mehdi Gharbi (born 1999), Tunisian sailor Mehdi Ghayedi (born 1998), Iranian footballer Mehdi Ghazanfari (born 1960), Iranian politician Mehdi El Ghazouani (born 1976), Moroccan long jumper Mehdi Ghezali (born 1979), Swedish bank robber Mehdi Ghorbani (born 1988), Iranian boxer Mehdi Ghoreishi (born 1990), Iranian footballer Mehdi El Glaoui (born 1956), French actor, director, and screenwriter Mehdi Golshani (born 1939), Iranian theoretical physicist Mehdi Goudarzi (born 2003), Iranian footballer Mehdi Guerrouad (born 1981), French footballer Mehdi Guliyev (1923–1976), Azerbaijani Army soldier Mehdi Hacibabayev (1871–1925), Azerbaijani social and political figure Mehdi Hadiha (born 1989), Iranian-Swedish judo and jiujitsu athlete Mehdi Ait El Hadj (born 1998), Moroccan-French kickboxer Mehdi Hafsi (born 1978), French-Tunisian basketball player Mehdi Hajati (born 1979), Iranian politician Mehdi bey Hajinski (1879–1941), Azerbaijani actor, publicist, and statesman Mehdi Hajizadeh (born 1981), Iranian wrestler Mehdi Halıcı (1927–2008), Turkish writer Mehdi Hamama (born 1985), Algerian swimmer Mehdi Harb (born 1979), Tunisian footballer Mehdi Hasan (born 1979), British-American journalist, broadcaster, and author Mehdi Hasan (born 1990), Indian cricketer Mehdi Hasan, Bangladeshi diplomat Mehdi Hasan (born 1990), Indian cricketer Mehdi Hasan (1937–2022), Pakistani journalist Mehdi Hashemi (1944–1987), Iranian cleric and official Mehdi Hashemi (born 1946), Iranian actor, screenwriter, and director Mehdi Hasheminasab (born 1974), Iranian footballer Mehdi Hashemnejad (born 2001), Iranian footballer Mehdi Hassan (1927–2012), Pakistani ghazal singer Mehdi Qoli Hedayat (1863–1955), Iranian politician Mehdi Hetemaj (born 1997), Austrian footballer Mehdi Hmili, Tunisian filmmaker Mehdi Hosseini (born 1979), Persian composer Mehdi Hosseini (born 1993), Iranian footballer Mehdi Hosseininia (born 1981), Iranian actor Mehdi Houryar (born 1945), Iranian wrestler Mehdi Huseyn (1909–1965), Azerbaijani writer and critic Mehdi Huseynzade (1918–1944), Azerbaijani guerrilla and scout during World War II Mehdi El Idrissi (born 1977), Moroccan business executive Mehdi Isazadeh (born 1962), Iranian politician Mehdi Rusi Khan Ivanov (1875–1968), Iranian court photographer Mehdi Izadi (born 1998), Iranian footballer Mehdi Jafari (born 1969), Iranian film director, screenwriter, and cinematographer Mehdi Jafarpour (born 1984), Iranian footballer Mehdi Jahangiri (born 1971), Iranian economist and banker Mehdi Shabzendedar Jahromi (born 1953), Iranian Shia jurist Mehdi Jamalinejad (born 1969), Iranian writer and politician Mehdi Jami (born 1961), Iranian journalist Mehdi Jannatov (born 1992), Azerbaijani footballer Mehdi Qoli Khan Javanshir (died 1845), Khan of the Karabakh Khanate Mehdi Jazayeri, Iranian academic Mehdi Jdi (born 1988), Moroccan tennis player Mehdi Jeannin (born 1991), French footballer Mehdi Jelodarzadeh (born 1978), Iranian athlete Mehdi Jomaa (born 1962), Tunisian engineer and politician Mehdi Nawaz Jung (1894–1967), Indian bureaucrat Mehdi Kacem (born 1986), French-Algerian footballer Mehdi Belhaj Kacem, French-Tunisian writer, philosopher, and actor Mehdi Kadi (born 1994), French footballer Mehdi Kamrani (born 1982), Iranian basketball player Mehdi Karampour (born 1976), Iranian film director, producer, writer, and photographer Mehdi Karbalaei (born 1993), Iranian footballer Mehdi Karimian (born 1980), Iranian footballer Mehdi Karroubi (born 1937), Iranian Shia cleric and politician Mehdi Kazemi (born 1989), Iranian-British asylum seeker Mehdi Kerrouche (born 1985), French footballer Mehdi Khalaji (born 1973), Iranian-American writer, scholar of Islamic studies, and political analyst Mehdi Khalil (born 1991), Lebanese footballer Mehdi Khalis (born 1989), British-Moroccan footballer Mehdi Al-Khalissi (died 1925), Iranian-Iraqi religious leader Mehdi Khalsi (born 1986), Moroccan boxer Mehdi Abbas Khan (born 1958), Pakistani politician Mehdi Khazali (born 1965), Iranian publisher, physician, and blogger Mehdi Khchab (born 1991), Belgian footballer Mehdi Kheiri (born 1983), Iranian footballer Mehdi-Selim Khelifi (born 1992), Algerian cross-country skier Mehdi Khodabakhshi (born 1991), Iranian-Serbian Taekwondo practitioner Mehdi Kiani (born 1978), Iranian footballer Mehdi Kiani (born 1987), Iranian footballer Mehdi Ahmad Kohani (born 1997), Iranian artistic gymnast Mehdi Kouchakzadeh (born 1959), Iranian engineer, academic, and politician Mehdi Lavasani (born 1947), Iranian footballer Mehdi Lazaar (born 1993), Belgian footballer Mehdi Lehaire (born 2000), Belgian footballer Mehdi Léris (born 1998), French footballer Mehdi Leroy (born 1978), French footballer Mehdi Loune (born 2004), German-Moroccan footballer Mehdi Mabrouk, Tunisian politician Mehdi Mahbub, Bangladeshi cricketer Mehdi Mahdavi (born 1984), Iranian volleyball player Mehdi Mahdavikia (born 1977), Iranian footballer Mehdi Maïzi (born 1986), Algerian–French music journalist and writer Mehdi Makhloufi (born 1978), French-Algerian footballer Mehdi Marandi (born 1986), Iranian volleyball player Mehdi Marzouki (born 1988), French water polo player Mehdi Masoud-Ansari (died 1978), Iranian footballer Mehdi Mchakhchekh (born 2004), Moroccan footballer Mehdi Mehdikhani (born 1997), Iranian footballer Mehdi Mehdipour (born 1994), Iranian footballer Mehdi Méniri (born 1977), Algerian footballer Mehdi Merghem (born 1997), French-Algerian footballer Mehdi Meriah (born 1979), Tunisian footballer