The 1955 season was Dinamo București's seventh season in Divizia A. Dinamo bring the first Romanian title home, winning the championship by three points. During the season, Dinamo played 24 matches, winning 15, drawing 7 and losing only 2.
Titus Ozon leaves Dinamo after five years in the red and white shirt, bound for Progresul București, newly promoted team. The main transfer made by Dinamo is the goalkeeper Petru Curcan from Stiinta Timişoara.