The 1907 Campeonato Carioca, the second edition of that championship, kicked off on May 5, 1907 and ended on October 27, 1907.
[1][2] The tournament would be disputed in a double round-robin format, with the team with the most points winning the title.
[2][1] The championship would be disputed by four clubs instead of the previous year's six, as Bangu and Rio Cricket declined to participate, although they were still affiliated to the league.
In addition to that, early in the year, Football & Athletic changed its name to Internacional.
At the time, Botafogo and Fluminense were tied in points, and since the tiebreaking criteria were unclear, the title went officially unawarded until 1996, when FFERJ declared both of them Carioca champions of 1907.