Vuelta a Andalucía
Jan van Katwijk (born 30 August 1946) is a retired Dutch cyclist who was active between 1965 and 1978. He won a number of races including Ronde van Drenthe (1968), Acht van Chaam (1969) and national road championships (1972) as well as one stage of Vuelta a Andalucía (1970) and Tour de France (1976). As an army serviceman he won the national military championships in 1967.