List of Open Era Grand Slam champions by country
This is a list Grand Slam tennis champions during the Open Era, organized by country. First career wins and highest total counts are boldfaced, and first wins per category are listed in parentheses. The gold-highlighted years with symbol ☆ denote Career Grand Slam achievement years. When the whole box is highlighted yellow, it denotes a "Career Boxed Set". The † sign indicates additional Grand Slam titles achieved before the Open Era.