"Jōnetsu" (情熱) is Japanese singer-songwriter Ua's fourth single, released on June 21, 1996.

"Jōnetsu" is regarded as the song that propelled Ua to stardom as well as being her biggest hit.

With 5,700 units sold, it debuted at #60 on the Oricon Weekly Singles Chart and later peaked at #18, becoming Ua's first top 20 entry.

[1] The song was covered in a Mandarin Chinese version (Retitled "WuWuLaLaLa") by C-pop singer Coco Lee on her 1998 album, Sunny Day.

[2] Rock band Glim Spanky released a cover of the song digitally in 2021.