Gilliéron is a French surname. Notable people with this name include:
Émile Gilliéron (1850–1924), Swiss artist and archaeological draftsman Émile Gilliéron fils (1885–1939), son of Gilliéron , also an artist Jules Gilliéron (1854–1926), Swiss-French linguist and dialectologist Lauriane Gilliéron (born 1984), Swiss actress, model and beauty queen Louis Gilliéron (1909–?), Swiss field hockey player Peter Gilliéron (born 1953), Swiss lawyer and football official