"My Sentimental Friend" is a song written by Geoff Stephens and John Carter and performed by Herman's Hermits. The song is Herman's Hermits' second highest charting song in the UK, reaching No. 2 in the UK chart. It also reached No. 2 in Ireland, No. 3 in Australia, No. 6 in New Zealand, and No. 1 in South Africa. The song was produced by Mickie Most.