Alan Day (born 12 November 1938) was an English cricketer. He was a right-handed batsman. Day made his Minor Counties Championship debut in 1957 for Middlesex, though he didn't play another match in the competition until 1961, and joined Hertfordshire in 1962. Day made his one-day debut in the 1966 Gillette Cup, against Berkshire, and played five matches in total between 1966 and 1974. Day's only first-class appearance came for Marylebone Cricket Club in 1968, against Ireland. He scored 5 runs in the match, which finished in a draw.