Piknik (Russian: Пикни́к) is a Russian rock band known for its unique style which is a mixture of jazz rock, art rock, progressive rock and original Russian rock. Was formed at 1978 by Sergey Omelnichenko, Evgeniy Voloschuk, Aleksey Dobychin, Nikita Mikhaylov and Aleksandr Matskov. Piknik is considered to be one of the "classic" Russian rock bands. Originated from the classic rock, its music progressed into the unusual style with using symphonic, keyboard and exotic folk instruments.

During more than 30 years the formation of the group was changing for many times, the only permanent member and leader of the group is the frontman Edmund Shklyarskiy (since 1981, when he changed Sergey Omelnichenko)