New York Yankees between 1949-1953.They are the only team in MLB history to have won 5 consecutive World Series championships.
The Los Angeles Rams won 7 consecutive division championships, from 1973 to 1979
UCLA has won the most consecutive NCAA Division I Men's basketball championships, but Kenyon Univ has the most consecutive championships in any sport with 30 in DIII Swimming and Diving. Hobart College has the most consecutive team championships in any sport with 12 in D III Lacrosse.
The Boston Celtics
The Boston Celtics' streak of 8 consecutive NBA championships is the longest streak of consecutive championships in U.S. professional sports history
As far as I know the Boston Celtics with 8 consecutive nba championships as well as 11 nba championships within same 13 year period.
The pro sports team that has won the most championships are the Boston Celtics. They won eight consecutive championships from 1959 to 1966.
Well can we start with Indian River State College in Florida?? Their Men's swimming team has 36 consecutive NJCAA national championships.
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Only one team has won more than two consecutive NFL championships and that was the Green Bay Packers who won three straight in 1929-1931 and 1965-1967.