Bílý (feminine: Bílá) is a Czech surname, meaning 'white'. Notable people with the surname include:
Josef Bílý (1872–1941), Czech general Laurence Bily (born 1963), French sprinter Lucie Bílá, real name Hana Zaňáková (born 1966), Czech singer Sydir Bily (1716–1788), Ukrainian Cossack Věra Bílá (1954–2019), Czech singer
See also
Bila (disambiguation) Billy (disambiguation) Bilyi, Ukrainian surname