pre-1955

This is a list of number-one songs in the United States during the year 1955 according to Billboard magazine. Prior to the creation of the Billboard Hot 100, Billboard published multiple singles charts each week. In 1955, the following five charts were produced:

Best Sellers in Stores – ranked the biggest selling singles in retail stores, as reported by merchants surveyed throughout the country.
Most Played by Jockeys – ranked the most played songs on United States radio stations, as reported by radio disc jockeys and radio stations.
Most Played in Jukeboxes – ranked the most played songs in jukeboxes across the United States.
Honor Roll of Hits – a composite ten-position song chart which combined data from the three charts above along with three other component charts. It served as The Billboard's lead chart until the introduction of the Hot 100 in 1958 and would remain in print until 1963.
Top 100 - the first Billboard chart to feature a combined tabulation of sales, airplay and jukebox play (debuted in the issue dated November 12, 1955).

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