Mike O'Donnell (born 10th March 1952) is an English composer, songwriter and musician. He was the co-music composer for Thomas the Tank Engine & Friends, from its debut in 1984 until 2003. He was also the music composer for TUGS.

Mike, a bass guitarist and vocalist, worked at the Beatles' "Apple Studios", where his love for music grew stronger after some memorable sessions with several famous singers. He also joined a band, Gold, who, despite having few hits, sold a number of singles such as "Stay with Me My Love" and "Paradise".

At some point Mike and Junior Campbell signed to the same publisher and their partnership sparked. They have collaborated on writing television jingles, which continued even after leaving their bands.

Mike lives in Surrey with his wife Barbara, daughter Sian and son Ben. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.