A Winged Victory for the Sullen is an American ambient music duo composed of Dustin O'Halloran and Adam Wiltzie.

In 2015, they performed at the Royal Albert Hall as part of The Proms.

[citation needed] The duo met while Wiltzie was on tour with Sparklehorse in Bologna, Wiltzie commenting in a 2021 interview that "We just clicked—it's really easy to write music together".

[4] They composed the original score for Atomos, for Wayne McGregor's dance company.

[5] Their third studio album, The Undivided Five, was released by Ninja Tune in 2019.