Nicholas Joseph Clayton (November 1, 1840 in Cloyne, County Cork – December 9, 1916) was a prominent Victorian era architect in Galveston, Texas. Clayton constructed many grand religious and public buildings in Galveston including the First Presbyterian Church (Galveston, Texas). He is also credited as the architect of Sacred Heart Catholic Church (Tampa, Florida) and of the Main Building of St. Edward's University in Austin, Texas. He also designed an addition to St. Mary Cathedral in Galveston.
Old Red Building, University of Texas Medical Branch, Galveston
Main Building, St. Edward's University, Austin
The Beach Hotel, Galveston