Tequilajazzz is a Russian alternative rock band led by bassist Evgeny "Ai-yai-yai" Fedorov (Russian: Евгений "Ай-яй-яй" Фёдоров) based in Saint Petersburg. Band members also included drummer Aleksandr "Dooser" Voronov (Russian: Александр "Дусер" Воронов) on the drums, Konstantin Fedorov (Russian: Константин Федоров), and guitarist Oleg Baranov (Russian: Олег Баранов).

Tequilajazzz officially disbanded in 2010. In 2013, the group reunited and performed anniversary concerts. They recorded an acoustic album, which was released in 2018