Iain Andrew Cook (born 2 November 1974) is a Scottish musician, composer, record producer, and member of Glasgow-based pop band Chvrches.

Cook also composes music for film and television and is a member of the rock band The Unwinding Hours.

[2] The band released their debut album A Story in White in 2001, through Chemikal Underground record label.

[2] Cook wrote the theme tune for One Life Left, the long running video game radio show which began in 2006.

[4] In October 2022, Cook unveiled a new side project called Protection with from Sons and Daughters guitarist Scott Paterson.