Parenthetical Girls (formerly The Swastika Girls) is an experimental pop band formed in Everett, Washington, and based currently in Portland, Oregon.

Begun primarily as a recording project, the actual touring ensemble consists of vocalist Zac Pennington, Rachael Jensen, Eddy Crichton and Matthew Carlson, all sharing a variety of instrumental duties. Former touring members Jherek Bischoff and Sam Mickens (of the band Dead Science, The) still join them for recording sessions.

Their music is notable for its combination of saccharine pop and experimental elements, and has been compared with such disparate acts as Brian Eno, Philip Glass, Xiu Xiu and Phil Spector.

Originally taking their name from the Brian Eno composition "Swastika Girls", original members Zac Pennington and Jeremy Cooper self-released their limited run debut EP Christmas With Swastika Girls in 2002. After Cooper left the band, they changed their name and Pennington released (((GRRRLS))), the band's vinyl-only debut album on his own Slender Means Society label in 2004. This got recorded with the help of Jherek Bischoff and Jamie Stewart (2) (of Xiu Xiu fame), (((GRRRLS))) A split 7-inch with the band Dead Science, The was released by Obsolete Vernacular in 2007. In 2008 they switched labels to Germany's Indietronic source Tomlab.