The Cairo derby (Egyptian Arabic: ديربي القاهرة) or the Top Match (Egyptian Arabic: مباراة القمة), known as the Arab Classico (Egyptian Arabic: كلاسيكو العرب) is a rivalry between Egyptian football clubs Al Ahly and Zamalek, arguably the two most successful clubs in Egypt and Africa. Al Ahly and Zamalek were named by the CAF as the 1st and 2nd African clubs of the 20th century respectively. It is considered one of the fiercest sports encounters, and its matches attract a large audience. This match is known for its intensity since 1917 until today.

Both teams are located in Greater Cairo and their matches are considered the highlight of the football season with a live broadcast to most of the Middle Eastern and North African countries since the 1970s. Usually the derby is played twice each season with 2 matches in the Egyptian Premier League, but it is not uncommon to find the teams meeting each other in the Egypt Cup, especially in the final, and in Africa's most prestigious club competition, the CAF Champions League. The best-attended football match between Al-Ahly and Zamalek in Cairo attracted a crowd of 120,000.

Ever since their creation, both clubs have been the top clubs in the Egyptian Premier League, the country's top-flight football league. Also, it was chosen one of the five of the toughest derbies in the world according by the BBC.

On 9 February 1917, the first match between Zamalek and Al Ahly took place at Zamalek Stadium, ending with Al Ahly defeating Zamalek by a score of 1–0, with the goal scored by Abdel Hamid Moharram. They met again 21 days later, on 2 March 1917, at Al Ahly Stadium, and Zamalek defeated Al Ahly by a score of 1–0, with the goal scored by Ali El-Hassani.

In the first half of the 20th century. Initially, in the original league, Al Ahly & Zamalek won almost the same amount of trophies in the Cairo League, with Al Ahly winning 15 titles and Zamalek winning 14 titles. In the newly launched Egyptian Premier League in 1948, Al Ahly has proven to be the better team in every aspect of the game and even off the field management wise; Al Ahly won their first league title in the 1948–49 season and won 44 league titles after that. Zamalek managed to win the league 14 times.

On 5 January 1923, Zamalek met Al Ahly in a friendly contest, the match ended by a victory for Zamalek by a score of 5–0, goals scored by Ali Riadh, Hussein Hegazi and Sadek Fahmy (three goals), Fahmy was the first player to score a hat-trick in the history of the derby, but in a friendly match. In the Sultan Hussein Cup, Zamalek and Al Ahly had never met in the final, however, they played six matches. The first match was in the 1924 Sultan Hussein Cup's semifinal on 17 March 1924, the match finished in a 1–1 draw, in the rematch on 21 March, Zamalek won 2–0 and advanced to the final. One of the unforgettable matches in the history of the Sultan Hussein Cup was the 1930 derby, despite that the two belligerents failed to win this season's title, the match was of a high level of intensity and had much media attention. Zamalek faced Al Ahly in a purely Egyptian contest, in which Zamalek knocked Al Ahly out of the competition, after defeating them with a score of 3–1 in the semi-finals. Zamalek's goals were scored by Mohamed Latif and Mostafa Taha (two goals), while Al Ahly's goal was scored by Mahmoud Mokhtar El Tetsh.

The largest winning margin in this derby was 6–3 for Zamalek, which has been achieved 2 times. The first time was the 1942 Cairo Derby on January 2, 1942, in the 1941–42 Cairo League, and the second time was on June 2, 1944, when Zamalek was known as Farouk back then, at the 1944 Egypt Cup Final.

In the first season of the Egyptian Premier League, the first derby took place on 10 September 1948, and the belligerents finished in a draw by a score of 2–2. The second leg finished with a 1–0 win for Zamalek. In the Egypt Cup, they met in the 1952 Egypt Cup final, Zamalek won Al Ahly 2–0, the next year Al Ahly won Zamalek 4–1. In 1959 Egypt Cup final, Zamalek won Al Ahly by a score of 2–1.