Markku Juhani Kukkoaho (born 11 November 1946) is a Finnish former sprinter. Kukkoaho placed fourth in men's 400 metres at the 1971 and 1974 European Championships and sixth at the 1972 Summer Olympics, where he set the still-standing Finnish national record of 45.49 seconds. He won bronze at the 1974 European Championships in the 4 × 400 metres relay as part of the Finnish team.