Vassil is masculine given name and a surname. Notable people with the name include:
Anton Vassil, French film director Vassil Bebelekov (died 2016), Bulgarian-American bagpipe player Vassil Chilingirov (born 1951), Bulgarian Olympic sprint canoer Vassil Evtimov (born 1977), French-Bulgarian basketball player Vassil Kazandjiev (1934–2026), Bulgarian composer Vassil Tzankov (1905–1986), Bulgarian geologist and paleontologist
See also Vasil, a masculine given name