Benjamin Lamb (fl. 1715) was an English organist.
He was the organist of Eton College and verger of St. George's Chapel, Windsor, about 1715. He wrote much church music and some songs. Among the former may be mentioned his anthems, 'Unto Thee have I cried,' 'O worship the Lord,' 'If the Lord Himself,' 'I will give thanks,' and an evening service in E minor, all of which are in the Tudway Collection.