Gwilt is a surname. Notable people with the name include: Ayesha Gwilt (born 1989), English actress George Gwilt (1746—1807), "George Gwilt the Elder", English architect George Gwilt the younger (1775—1856), English architect and writer on architecture James Gwilt (born 1986), Australian rules footballer Joseph Gwilt (1784—1863), English architect and writer Martin Gwilt Jolley (1859—1916), English painter