Eintracht Frankfurt e.V. (German pronunciation: [ˈaɪntʁaxt ˈfʁaŋkfʊʁt] ) is a German professional sports club based in Frankfurt, Hesse. It is best known for its football club, which was founded on 8 March 1899. The club currently plays in the Bundesliga, the top tier of the German football league system. Eintracht have won the German championship once, the DFB-Pokal five times, the UEFA Europa League twice and finished as runner-up in the European Cup once. The team was one of the founding members of the Bundesliga at its inception and has spent a total of 56 seasons in the top division, thus making them the seventh longest participating club in the highest tier of the league.

The club has 150,000 members, and thus is the third largest club on this level in Germany.

Since 1925 their stadium has been the Waldstadion, which is currently named Deutsche Bank Park for sponsorship reasons.

Eintracht Frankfurt have either won or drawn more than three-quarters of their games as well as having finished the majority of their seasons placed in the top half of the table, but also having the highest number of losses in the league (657). With an average attendance of 47,942 since 2013 the team also has one of the highest attendance ratings in the world and the eighth highest out of the 36 Bundesliga and 2. Bundesliga teams. The player with the highest number of appearances (602) in the Bundesliga, Charly Körbel, spent his entire senior career as a defender for Eintracht Frankfurt. The club's primary rival is local club Kickers Offenbach, although, due to spending most of their history in different divisions, the two have only played two league matches within the last 40 years.

With almost 14,000 active athletes in over 50 sports in 2024, Eintracht Frankfurt is the largest multi-sports club in the world with a professional football team.