KSU is a Polish punk rock band from Ustrzyki Dolne, Poland. The band was founded in 1977 by Bogdan "Bohun" Augustyn (saxophone, vocals), Eugeniusz "Siczka" Olejarczyk (guitar), Leszek "Plaster" Tomkow (bass guitar), Waldemar "Burek" Kuzianik (drums) and Wojciech "Ptyś" Bodurkiewicz (keyboard). In 1978 they name themselves as "KSU" which comes from beginning of car plates in Ustrzyki Dolne. Their first longplay - "Pod prąd" - was released in 1988, since that time the crew has changed a couple of times.