Tha Isambard Kingdom Brunel (Portsmouth, 9 an Giblean 1806 - Lunnainn, 15 an t-Sultain 1859) a measg na h-innleadairean as ainmeile ann an eachdraidh Bhreatainn. Am measg nan obraichean as ainmeile aige tha an Great Western Railway 1834-1837, trì longan-cuain mòra: an SS Great Western (1837), an SS Great Britain (1845) agus an SS Great Eastern (1857), agus Drochaid Clifton, thairis air an abhainn ann am Bristol.