List of rugby union test caps leaders
This is a list of the appearance leaders in men's rugby union test matches, listing the 79 players with the most confirmed test caps. Rugby union requires only one nation to recognise a match as a test in order for it to be included in test statistics for that nation. The British and Irish Lions and Pacific Islanders do not represent a single country, but are recognised as test teams because they are selected by a group of national unions. Some national teams have sometimes granted test caps for matches against teams such as the invitational Barbarians side; these are included only if the union granted test caps for a particular match.