April 25 Sports Club, shortly 4.25 SC, also known as April 25 National Defence Sports Club, is a professional multi-sports club based in Pyongyang, North Korea, primarily known for its men's and women's football teams. The club belongs to the Ministry of People's Armed Forces; all members of the professional teams are considered officers of the Army.

Pyongyang is the capital and largest city of the Democratic People's Republic of Korea (DPRK), commonly known as North Korea, where it is sometimes labeled as the "Capital of the Revolution". Pyongyang is located on the Taedong River about 109 km (68 mi) upstream from its mouth on the Yellow Sea. According to the 2008 population census, it has a population of 3,255,288. Pyongyang is a directly administered city with a status equal to that of the North Korean provinces.