Makkonen is a surname. Notable people with the surname include:
Jussi Makkonen (born 1985), Finnish ice hockey player
Kari Makkonen (born 1955), Finnish ice hockey player
Leo Makkonen (born 1948), Orthodox Archbishop of Finland
Matti Makkonen (1952–2015), Finnish engineer
Sini-Maria Makkonen (born 1986), Finnish rapper known by her stage name Sini Sabotage