The year 1930 in tennis was a complex mixture of mainly amateur tournaments composed of international, invitational, national, exhibition, team (city leagues, country leagues, international knock-out tournaments) events and joined by a marginal Pro Tour encompassing only British, German, French and American Pro events.

American Bill Tilden debuted this year on the European riviera scene winning almost every tournament he entered and took a dozen title partnering his protégé Wilbur Coen.

Australian Jack Crawford also left his mark on the Continental tennis scene.

This list includes men and women international tournaments (where at least several different nations were represented), main (annual) national championships, professional tour events and the Davis, Mitre, Wightman Cup These are the rankings compiled and published by A Wallis Myers in September, founder of the International Lawn Tennis Club of Great Britain [113] and a second list based upon the ranks of Pierre Gillou, president of the Fédération Française de Tennis.

[68] These are the pro rankings compiled and published by the American Lawn Tennis magazine in January.