Ivan Ivanov may refer to:
- Ivan Ivanov (mayor) (1891–1965), Mayor of Sofia, Bulgaria, 1934–1944
- Ivan Ivanov (weightlifter) (born 1971), Olympic weightlifter for Bulgaria
- Ivan Ivanov (badminton) (born 1966), retired badminton player from Bulgaria
- Ivan Ivanov (cross-country skier) (born 1987), Russian cross-country skier
- Ivan Ivanov (diplomat), Ambassador of Russia to Afghanistan
- Ivan Ivanov (footballer born 1942), Bulgarian international footballer
- Ivan Ivanov (footballer born 1983), Bulgarian footballer who plays for PFC Svetkavitsa
- Ivan Ivanov (footballer born 1988), Bulgarian footballer who plays for FK Partizan
- Ivan Ivanov (footballer born 1989), Bulgarian football defender who plays for Akademik Sofia
- Ivan Ivanov (Macedonian footballer) (born 1992), Macedonian football player who plays for Vardar Skopje
- Ivan Krasimirov Ivanov (born 1983), Bulgarian footballer for Svetkavitsa
- Ivan Ivanov Bagryanov (1891–1945), former Bulgarian Prime Minister
- Ivan Ivanov-Vano (1900–1987), Soviet animator
- Ivan Ivanov (mathematician) (1862–1939), mathematician
- Ivan Ivanov (cyclist), see Mountains classification in the Vuelta a España
- Ivan Ivanov (archer), see Archery at the 1992 Summer Olympics – Men's individual
- Ivan Ivanov (gymnast), see Gymnastics at the 2000 Summer Olympics – Men's artistic individual all-around
- Ivan Ivanov (wrestler), see Wrestling at the 2008 Summer Olympics – Men's Greco-Roman 120 kg
- Ivan Ivanov (swimmer), see Swimming at the 2000 Summer Olympics – Men's 4 × 200 metre freestyle relay
- Ivan Ivanov (speedway rider), Russian ice speedway rider, see 2010 Individual Ice Racing World Championship
- Ivan Ivanov (actor), Bularian actor, see Bloodsport 4: The Dark Kumite
- Ivan Ivanov (athlete)
- Ivan Ivanov (fighter)