The S-8 is a rocket weapon developed by the Soviet Air Force for use by military aircraft. It remains in service with the Russian Air Force and various export customers.

Developed in the 1970s, the S-8 is an 80mm (3.15 in) rocket used by fighter bombers and helicopters. It is produced in a variety of subtypes with different warheads, including hollow-charge anti-armor, high-explosive fragmentation, smoke, and incendiary, as well as the specialized S-8BM runway-destroying munition and the S-8DM fuel-air explosive variants. Each rocket is between 1.5 meters (4 ft 11 in) and 1.7 meters (6 ft 9 in) long and weighs between 11.3 kg (25 lb) and 15.2 kg (33.5 lb), depending on warhead and fuse. Range is 2 to 4 kilometers (1.3 to 2.6 miles).

The S-8 is generally carried in the B series of rocket pods, carrying either seven or 20 rockets.