"Spending All My Time" is a song by Japanese girl group Perfume from their fourth studio album Level3 (2013). The song was released as the album's second single on 15 August 2012. It was written, composed and produced by Yasutaka Nakata. The song is a dance pop track, which features instrumentation from synthesizers and keyboards. It is the group's first English-language single, and their second English effort since their 2008 track, "Take Me, Take Me", from their debut album Game.

Perfume is a Japanese pop techno girl group from Hiroshima Prefecture, Japan, consisting of Ayano Omoto ("Nocchi"), Yuka Kashino ("KASHIYUKA") and Ayaka Nishiwaki ("a-chan"). The group has been signed with Amuse, Inc. since 2003 and with Universal Music Group since 2012.