Blaha (feminine: Blahová) and Bláha (feminine: Bláhová) are Czech and Slovak surnames. They were derived from the given names Blahoslav, Blahomil and Blažej. Notable people with the surnames include:
Barbara Blaha (born 1983), Austrian writer Constantin Blaha (born 1987), Austrian diver Dagmar Bláhová (born 1949), Czech actress Eliška Bláhová (1884–1966), Czech dance educator František Bláha (1886–1945), Czech military leader George Blaha (born 1945), American broadcaster Gustav Blaha (1888–1961), Austrian footballer Inocenc Arnošt Bláha (1879–1960), Czech sociologist and philosopher Jana Blahová (born 1984), Czech sprint canoeist Jan Blaha (1938–2012), Czech Roman Catholic bishop John E. Blaha (born 1942), American astronaut Joseph C. Blaha (1877–1944), American businessman and politician Julie Blaha (born 1970), American politician and teacher Karel Bláha (born 1975), Czech sprinter Karel Bláha (singer) (1947–2025), Czech singer and actor Klára Bláhová (born 1973), Czech tennis player Kristýna Bláhová (born 2000), Czech ice hockey player Lubomír Blaha (born 1978), Czech footballer Ľuboš Blaha (born 1979), Slovak politician Lujza Blaha (1850–1926), Hungarian actress and singer Martin Bláha (born 1977), Czech cyclist Martin Blaha (footballer) (born 1985), Czech footballer Natália Blahová (born 1974), Slovak politician
See also
Blahová, a municipality and village in Slovakia
References