Benjamin Gummow (1766 – 1840) was an architect who worked from Ruabon near Wrexham in Wales. He worked almost exclusively for Sir Watkin Williams Wynn of Wynnstay, Ruabon and the Grosvenor family of Eaton Hall near Chester. He was born in St Endellion in Cornwall in 1766 and died at Ruabon in March 1844.