Alan J. Windsor (born 1945) is a former English international lawn and indoor bowler.
He won the bronze medal in the 1980 World Indoor Bowls Championship. His first cap for England was in 1973 (outdoors) and 1974 (indoors).
He represented England at the 1982 Commonwealth Games in the singles, at the 1982 Commonwealth Games in Brisbane, Queensland, Australia.
In 1981, he was runner-up to Andy Thomson in the national singles.
By trade he was a school caretaker.