Harmonica Hinds (born Mervyn H.G. Hinds, January 4, 1945) is a Trinidad-American blues singer and musician. He moved from Trinidad to Canada and then settled permanently in Chicago. He was influenced by blues musicians and started playing harmonica at an early age. He became known in the 1970s when he played on the house band of the famed Theresa's Lounge in Chicago. He shared the stage and played on albums of many great blues artists for more than five decades.