Erik De Beck (born 6 June 1951) is a Belgian former long-distance runner who specialised in cross country running.
His greatest performance was a gold medal at the 1974 IAAF World Cross Country Championships.
He shared in the team title at that event on three occasions: 1973, 1974 and 1977.
De Beck won three national titles in his career, taking two cross country wins (1974 and 1976) and one 10,000 metres title (1983).
He totalled nine appearances at the IAAF World Cross Country Championships as well as three outings at its precursor, the International Cross Country Championships, where he was a junior medallist in 1970.
He married Joske Van Santberghe, who was also a medallist at the World Cross Country Championships.