"My Secret Friend" is a song performed by IAMX and Imogen Heap, released as the third single from the album Kingdom of Welcome Addiction. The CD single is available only through the IAMX webstore.

The music video, directed by Chris Corner, features Corner dressed as a woman, the video's lead female character, and Heap as a man, the lead male character. He stated in an interview that when he wrote it he pictured the characters as siblings, who have a romantic, possibly incestuous, relationship. The video is featured on the CD single.

All lyrics written by Chris Corner and Imogen Heap.

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