Clifford Alistair Calvert (born 21 April 1954) is an English former professional footballer.
Born in York, Calvert joined York City as an amateur in the early 1970s and signed full-time professional terms in July 1972. He was capped by the England national youth team in 1972. He made his debut against Plymouth Argyle in March 1973 in the 1972âÂÂ73 season. He figured prominently for the club as they won promotion in the 1973âÂÂ74 season. After making 75 appearances for the club, he was transferred to Sheffield United for a record club fee received of ã30,000 in September 1975. He made 81 appearances and scored five goals in the league for United and went on to play for Toronto Blizzard and Dallas Tornado in the North American Soccer League.