Makkonen is a surname. Notable people with the surname include:
Jussi Makkonen (born 1985), Finnish ice hockey playerKari Makkonen (born 1955), Finnish ice hockey playerLeo Makkonen (born 1948), Orthodox Archbishop of FinlandMatti Makkonen (1952–2015), Finnish engineerSini-Maria Makkonen (born 1986), Finnish rapper known by her stage name Sini Sabotage