Charvat or Charvát (Czech feminine: Charvátová) is a Czech surname referring to a person of Croatian descent. Notable people include:
- Antonín Charvát (1899–1930), Czech cyclist
- Gregory Charvat, American author
- Přemysl Charvát (1930–2005), Czech conductor
- Lucie Charvátová (born 1993), Czech biathlete
- Olga Charvátová, (born 1962), Czech alpine skier