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

• 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

• 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

• Top ten ranked male tennis players
• Top ten ranked male tennis players (1912–1972)
• Top ten ranked female tennis players
• Top ten ranked female tennis players (1921–1974)

This article includes a sports-related list of lists.
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