Chalkias or Halkias () is a Greek surname. The female version of the name is Chalkia or Halkia (). Notable people with the surname include:
Georgios Halkias (born 1967), Greek Tibetologist and Buddhist scholar Ioannis Chalkeus or Chalkias (1667–1730 or 1740), Aromanian scholar Kostas Chalkias (born 1974), Greek footballer Petroloukas Chalkias (1934–2025), Greek traditional musician Stavros Halkias (born 1989), American comedian