Alfred John Day Diver (6 July 1823 – 25 March 1876) was an English first-class cricketer whose career spanned the 1843 season to the 1866 season.

Diver played mainly for Cambridge-based sides and the All England Eleven Popularly known as "Ducky", Diver is best known as a reliable batsman.

Led by George Parr, this was the first overseas cricket tour.

His nephew, Edwin Diver, played over 200 first-class games, mostly for Surrey and Warwickshire.

This biographical article related to an English cricket person born in the 1820s is a stub.