OSK AS-23

Atletik-Slava 1923
Full nameOfficers' Sports Club Atletik-Slava 1923
Nickname(s)Asisti
Short nameAS-23
Founded4 November 1923; 100 years ago (1923-11-04)
Dissolved9 November 1944; 79 years ago (1944-11-09)
GroundAtletik Park
Capacity15,000

Officers' Sports Club Atletik-Slava 1923 (Bulgarian: Офицерски спортен клуб „Атлетик-Слава 1923“, lit.''Officers' Sports Club Athletic-Glory 1923''), Atletik-Slava 23, or simply AS-23, was a Bulgarian army officers' football club based in the capital of Sofia.

The club colors were black and white and its emblem was a black lion over a white shield. Home ground was what today is the Bulgarian Army Stadium. The club's motto was "Athleticism and Glory."