World number 1 ranked tennis players

The following are lists of world number 1 ranked players in tennis:

Men

 * World number 1 ranked male tennis players, all-time singles rankings
 * List of ATP number 1 ranked singles tennis players, since 1973
 * List of ATP number 1 ranked doubles tennis players, since 1976

Women

 * World number 1 ranked female tennis players, all-time singles rankings
 * List of WTA number 1 ranked singles tennis players, since 1975
 * List of WTA number 1 ranked doubles tennis players, since 1984