Iain Denis Archer is a singer–songwriter from Bangor, Northern Ireland, who was once a secondary lyricist for the indie band Snow Patrol. Archer comes from a musical background and released several solo albums in the mid 90s on the small Scottish independent label Sticky Music. After a stint with Snow Patrol and a side project with Snow Patrol's frontman Gary Lightbody in The Reindeer Section, he returned to his solo career. In 2004 he released the album Flood The Tanks.

In 2005, Archer picked up an Ivor Novello Award as part of the songwriting team behind Snow Patrol's Final Straw album. In 2007, "Canal Song" from Archer's album Magnetic North was featured on Grey's Anatomy (season 3 episode 14, "Wishin' and Hopin'") and Everything I've Got, from the same album was used as iTunes' Free Single of the Week. He also contributed vocals to the 2006 album Waiting for Clearance by The Freelance Hellraiser, which also featured Archer's long time collaborator Gary Lightbody. The song "We Don't Belong" received airplay on leading radio stations, including BBC 6 Music and BBC Radio Ulster. Archer is married to German singer Miriam Kaufmann.